Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in misyncdestroyfence()
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 22 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
A use-after-free flaw was found in the X.Org X server and Xwayland in miSyncDestroyFence(). A client that sets up multiple fence triggers can trigger a use-after-free function pointer call. An attacker would connect to the X server to set up a fence and await that fence, then a second X connection destroys the fence, causing the use-after-free. This may be used to crash the server, or for privilege escalation if the X server runs as root.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | — | 24.1.9-4.el10_2.2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | — | 24.1.5-6.el10_0.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION | — | 1.1.0-25.el6_10.18 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — | 1.20.4-35.el7_9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — | 1.8.0-36.el7_9.5 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 21.1.3-20.el8_10.2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 1.20.11-28.el8_10.2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 1.15.0-10.el8_10 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | 1.20.10-5.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | 1.11.0-8.el8_4.16 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — | 1.20.10-5.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — | 1.11.0-8.el8_4.16 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | 1.20.11-8.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | 21.1.3-2.el8_6.7 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | 1.12.0-6.el8_6.18 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | — | 1.20.11-8.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | — | 21.1.3-2.el8_6.7 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | — | 1.12.0-6.el8_6.18 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — | 1.20.11-19.el8_8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — | 21.1.3-13.el8_8.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — | 1.12.0-15.el8_8.18 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — | 1.20.11-19.el8_8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — | 21.1.3-13.el8_8.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — | 1.12.0-15.el8_8.18 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 24.1.9-4.el9_8.2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 1.20.11-34.el9_8.2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 1.15.0-7.el9_8.2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — | 1.20.11-21.el9_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — | 21.1.3-10.el9_2.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — | 1.12.0-14.el9_2.15 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | — | 1.20.11-29.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | — | 22.1.9-8.el9_4.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | — | 1.13.1-8.el9_4.10 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — | 1.20.11-34.el9_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — | 23.2.7-6.el9_6.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — | 1.14.1-11.el9_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | No fix listed | CNA |
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in 24.1.9-4.el10_2.2 Patch available CNA
- Red Hat Enterprise Linux 10.0 Extended Update Support VendorRed Hat Affected — Fixed in 24.1.5-6.el10_0.1 Patch available CNA
- Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION VendorRed Hat Affected — Fixed in 1.1.0-25.el6_10.18 Patch available CNA
- Red Hat Enterprise Linux 7 Extended Lifecycle Support VendorRed Hat Affected — Fixed in 1.20.4-35.el7_9 Patch available CNA
- Red Hat Enterprise Linux 7 Extended Lifecycle Support VendorRed Hat Affected — Fixed in 1.8.0-36.el7_9.5 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 21.1.3-20.el8_10.2 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 1.20.11-28.el8_10.2 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 1.15.0-10.el8_10 Patch available CNA
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 1.20.10-5.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 1.11.0-8.el8_4.16 Patch available CNA
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On VendorRed Hat Affected — Fixed in 1.20.10-5.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On VendorRed Hat Affected — Fixed in 1.11.0-8.el8_4.16 Patch available CNA
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 1.20.11-8.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 21.1.3-2.el8_6.7 Patch available CNA
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 1.12.0-6.el8_6.18 Patch available CNA
- Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On VendorRed Hat Affected — Fixed in 1.20.11-8.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On VendorRed Hat Affected — Fixed in 21.1.3-2.el8_6.7 Patch available CNA
- Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On VendorRed Hat Affected — Fixed in 1.12.0-6.el8_6.18 Patch available CNA
- Red Hat Enterprise Linux 8.8 Telecommunications Update Service VendorRed Hat Affected — Fixed in 1.20.11-19.el8_8 Patch available CNA
- Red Hat Enterprise Linux 8.8 Telecommunications Update Service VendorRed Hat Affected — Fixed in 21.1.3-13.el8_8.1 Patch available CNA
- Red Hat Enterprise Linux 8.8 Telecommunications Update Service VendorRed Hat Affected — Fixed in 1.12.0-15.el8_8.18 Patch available CNA
- Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 1.20.11-19.el8_8 Patch available CNA
- Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 21.1.3-13.el8_8.1 Patch available CNA
- Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 1.12.0-15.el8_8.18 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 24.1.9-4.el9_8.2 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 1.20.11-34.el9_8.2 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 1.15.0-7.el9_8.2 Patch available CNA
- Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 1.20.11-21.el9_2 Patch available CNA
- Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 21.1.3-10.el9_2.1 Patch available CNA
- Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 1.12.0-14.el9_2.15 Patch available CNA
- Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 1.20.11-29.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 22.1.9-8.el9_4.1 Patch available CNA
- Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 1.13.1-8.el9_4.10 Patch available CNA
- Red Hat Enterprise Linux 9.6 Extended Update Support VendorRed Hat Affected — Fixed in 1.20.11-34.el9_6 Patch available CNA
- Red Hat Enterprise Linux 9.6 Extended Update Support VendorRed Hat Affected — Fixed in 23.2.7-6.el9_6.1 Patch available CNA
- Red Hat Enterprise Linux 9.6 Extended Update Support VendorRed Hat Affected — Fixed in 1.14.1-11.el9_6 Patch available CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* | before 21.1.23 | Vulnerable | x.org |
| cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* | before 24.1.12 | Vulnerable | x.org |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Red Hat |
- cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* Versions before 21.1.23 Vulnerable ·x.org
- cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* Versions before 24.1.12 Vulnerable ·x.org
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Red Hat
Remediation
Red Hat 28 advisories
- RHSA-2026:49519 Released 2026-08-03 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) tigervnc-1.1.0-25.el6_10.18, tigervnc-server-1.1.0-25.el6_10.18
- Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) tigervnc-server-applet-1.1.0-25.el6_10.18, tigervnc-server-module-1.1.0-25.el6_10.18
- RHSA-2026:46473 Released 2026-07-27 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux Server (v. 7 ELS) tigervnc-1.8.0-36.el7_9.5, tigervnc-icons-1.8.0-36.el7_9.5, tigervnc-license-1.8.0-36.el7_9.5 +2
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) tigervnc-server-applet-1.8.0-36.el7_9.5, tigervnc-server-module-1.8.0-36.el7_9.5
- RHSA-2026:46460 Released 2026-07-27 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) tigervnc-1.12.0-6.el8_6.18, tigervnc-icons-1.12.0-6.el8_6.18, tigervnc-license-1.12.0-6.el8_6.18 +4
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) tigervnc-1.12.0-6.el8_6.18, tigervnc-icons-1.12.0-6.el8_6.18, tigervnc-license-1.12.0-6.el8_6.18 +4
Show 25 more Red Hat advisories
- RHSA-2026:46456 Released 2026-07-27 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux AppStream E4S (v.9.4) tigervnc-1.13.1-8.el9_4.10, tigervnc-icons-1.13.1-8.el9_4.10, tigervnc-license-1.13.1-8.el9_4.10 +4
- RHSA-2026:46392 Released 2026-07-27 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux AppStream EUS (v.9.6) tigervnc-1.14.1-11.el9_6, tigervnc-icons-1.14.1-11.el9_6, tigervnc-license-1.14.1-11.el9_6 +4
- RHSA-2026:46385 Released 2026-07-27 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux AppStream E4S (v.8.8) tigervnc-1.12.0-15.el8_8.18, tigervnc-icons-1.12.0-15.el8_8.18, tigervnc-license-1.12.0-15.el8_8.18 +4
- Red Hat Enterprise Linux AppStream TUS (v.8.8) tigervnc-1.12.0-15.el8_8.18, tigervnc-icons-1.12.0-15.el8_8.18, tigervnc-license-1.12.0-15.el8_8.18 +4
- RHSA-2026:46382 Released 2026-07-27 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) tigervnc-1.11.0-8.el8_4.16, tigervnc-icons-1.11.0-8.el8_4.16, tigervnc-license-1.11.0-8.el8_4.16 +4
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) tigervnc-1.11.0-8.el8_4.16, tigervnc-icons-1.11.0-8.el8_4.16, tigervnc-license-1.11.0-8.el8_4.16 +4
- RHSA-2026:46377 Released 2026-07-27 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) tigervnc-1.12.0-14.el9_2.15, tigervnc-icons-1.12.0-14.el9_2.15, tigervnc-license-1.12.0-14.el9_2.15 +4
- RHSA-2026:38810 Released 2026-07-13 · Red Hat rating Importantxorg-x11-server-Xwayland security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) xorg-x11-server-Xwayland-21.1.3-2.el8_6.7
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) xorg-x11-server-Xwayland-21.1.3-2.el8_6.7
- RHSA-2026:38502 Released 2026-07-13 · Red Hat rating Importantxorg-x11-server-Xwayland security update
- Red Hat Enterprise Linux AppStream E4S (v.8.8) xorg-x11-server-Xwayland-21.1.3-13.el8_8.1
- Red Hat Enterprise Linux AppStream TUS (v.8.8) xorg-x11-server-Xwayland-21.1.3-13.el8_8.1
- RHSA-2026:36798 Released 2026-07-08 · Red Hat rating Importantxorg-x11-server-Xwayland security update
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) xorg-x11-server-Xwayland-24.1.5-6.el10_0.1
- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) xorg-x11-server-Xwayland-devel-24.1.5-6.el10_0.1
- RHSA-2026:36792 Released 2026-07-08 · Red Hat rating Importantxorg-x11-server security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) xorg-x11-server-1.20.10-5.el8_4, xorg-x11-server-Xdmx-1.20.10-5.el8_4, xorg-x11-server-Xephyr-1.20.10-5.el8_4 +5
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) xorg-x11-server-1.20.10-5.el8_4, xorg-x11-server-Xdmx-1.20.10-5.el8_4, xorg-x11-server-Xephyr-1.20.10-5.el8_4 +5
- RHSA-2026:36791 Released 2026-07-08 · Red Hat rating Importantxorg-x11-server security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) xorg-x11-server-1.20.11-8.el8_6, xorg-x11-server-Xdmx-1.20.11-8.el8_6, xorg-x11-server-Xephyr-1.20.11-8.el8_6 +4
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) xorg-x11-server-1.20.11-8.el8_6, xorg-x11-server-Xdmx-1.20.11-8.el8_6, xorg-x11-server-Xephyr-1.20.11-8.el8_6 +4
- RHSA-2026:36768 Released 2026-07-08 · Red Hat rating Importantxorg-x11-server security update
- Red Hat Enterprise Linux AppStream E4S (v.8.8) xorg-x11-server-1.20.11-19.el8_8, xorg-x11-server-Xdmx-1.20.11-19.el8_8, xorg-x11-server-Xephyr-1.20.11-19.el8_8 +4
- Red Hat Enterprise Linux AppStream TUS (v.8.8) xorg-x11-server-1.20.11-19.el8_8, xorg-x11-server-Xdmx-1.20.11-19.el8_8, xorg-x11-server-Xephyr-1.20.11-19.el8_8 +4
- RHSA-2026:36634 Released 2026-07-08 · Red Hat rating Importantxorg-x11-server-Xwayland security update
- Red Hat CodeReady Linux Builder EUS (v.9.6) xorg-x11-server-Xwayland-23.2.7-6.el9_6.1, xorg-x11-server-Xwayland-devel-23.2.7-6.el9_6.1
- Red Hat Enterprise Linux AppStream EUS (v.9.6) xorg-x11-server-Xwayland-23.2.7-6.el9_6.1
- RHSA-2026:36632 Released 2026-07-08 · Red Hat rating Importantxorg-x11-server-Xwayland security update
- Red Hat Enterprise Linux AppStream E4S (v.9.4) xorg-x11-server-Xwayland-22.1.9-8.el9_4.1
- RHSA-2026:36633 Released 2026-07-08 · Red Hat rating Importantxorg-x11-server-Xwayland security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) xorg-x11-server-Xwayland-21.1.3-10.el9_2.1
- RHSA-2026:36085 Released 2026-07-07 · Red Hat rating Importantxorg-x11-server security update
- Red Hat CodeReady Linux Builder EUS (v.9.6) xorg-x11-server-devel-1.20.11-34.el9_6, xorg-x11-server-source-1.20.11-34.el9_6
- Red Hat Enterprise Linux AppStream EUS (v.9.6) xorg-x11-server-1.20.11-34.el9_6, xorg-x11-server-Xdmx-1.20.11-34.el9_6, xorg-x11-server-Xephyr-1.20.11-34.el9_6 +4
- RHSA-2026:36087 Released 2026-07-07 · Red Hat rating Importantxorg-x11-server security update
- Red Hat Enterprise Linux AppStream E4S (v.9.4) xorg-x11-server-1.20.11-29.el9_4, xorg-x11-server-Xdmx-1.20.11-29.el9_4, xorg-x11-server-Xephyr-1.20.11-29.el9_4 +4
- RHSA-2026:36086 Released 2026-07-07 · Red Hat rating Importantxorg-x11-server security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) xorg-x11-server-1.20.11-21.el9_2, xorg-x11-server-Xdmx-1.20.11-21.el9_2, xorg-x11-server-Xephyr-1.20.11-21.el9_2 +4
- RHSA-2026:36083 Released 2026-07-07 · Red Hat rating Importantxorg-x11-server security update
- Red Hat Enterprise Linux Server (v. 7 ELS) xorg-x11-server-1.20.4-35.el7_9, xorg-x11-server-Xephyr-1.20.4-35.el7_9, xorg-x11-server-Xorg-1.20.4-35.el7_9 +1
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) xorg-x11-server-Xdmx-1.20.4-35.el7_9, xorg-x11-server-Xnest-1.20.4-35.el7_9, xorg-x11-server-Xvfb-1.20.4-35.el7_9 +4
- RHSA-2026:29844 Released 2026-06-25 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux AppStream (v. 9) tigervnc-1.15.0-7.el9_8.2, tigervnc-icons-1.15.0-7.el9_8.2, tigervnc-license-1.15.0-7.el9_8.2 +4
- RHSA-2026:28923 Released 2026-06-24 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux AppStream (v. 8) tigervnc-1.15.0-10.el8_10, tigervnc-icons-1.15.0-10.el8_10, tigervnc-license-1.15.0-10.el8_10 +4
- RHSA-2026:26566 Released 2026-06-22 · Red Hat rating Importantxorg-x11-server-Xwayland security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 10) xorg-x11-server-Xwayland-24.1.9-4.el10_2.2
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) xorg-x11-server-Xwayland-devel-24.1.9-4.el10_2.2
- RHSA-2026:26709 Released 2026-06-17 · Red Hat rating Importantxorg-x11-server security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 8) xorg-x11-server-1.20.11-28.el8_10.2, xorg-x11-server-Xdmx-1.20.11-28.el8_10.2, xorg-x11-server-Xephyr-1.20.11-28.el8_10.2 +4
- Red Hat Enterprise Linux CRB (v. 8) xorg-x11-server-devel-1.20.11-28.el8_10.2, xorg-x11-server-source-1.20.11-28.el8_10.2
- RHSA-2026:26610 Released 2026-06-17 · Red Hat rating Importantxorg-x11-server security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) xorg-x11-server-1.20.11-34.el9_8.2, xorg-x11-server-Xdmx-1.20.11-34.el9_8.2, xorg-x11-server-Xephyr-1.20.11-34.el9_8.2 +4
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) xorg-x11-server-devel-1.20.11-34.el9_8.2, xorg-x11-server-source-1.20.11-34.el9_8.2
- RHSA-2026:26590 Released 2026-06-17 · Red Hat rating Importantxorg-x11-server-Xwayland security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) xorg-x11-server-Xwayland-24.1.9-4.el9_8.2
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) xorg-x11-server-Xwayland-24.1.9-4.el9_8.2, xorg-x11-server-Xwayland-devel-24.1.9-4.el9_8.2
- RHSA-2026:26562 Released 2026-06-17 · Red Hat rating Importantxorg-x11-server-Xwayland security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 8) xorg-x11-server-Xwayland-21.1.3-20.el8_10.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:26562
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:26566
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
Show 26 more groups
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:26590
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:26610
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:26709
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:28923
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:29844
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36083
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36085
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36086
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36087
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36632
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36633
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36634
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36768
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36791
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36792
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:36798
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:38502
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:38810
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:46377
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:46382
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:46385
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:46392
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:46456
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:46460
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:46473
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2026-37008 Out-of-bounds write in Red Hat Enterprise Linux 10Priority LOW 35
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and 14 more products — RHSA-2026:49519
8 records Highest priority Priority LOW 8 LOW
Other records, highest priority first
- TI-2026-37005 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()Priority LOW 35
- TI-2026-37004 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()Priority LOW 35
- TI-2026-37003 Stack-based buffer overflow in Red Hat Enterprise Linux 10Priority LOW 35
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2026:36085, RHSA-2026:36634 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2026:26566 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2026:26562, RHSA-2026:26709, RHSA-2026:28923 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:26590, RHSA-2026:26610, RHSA-2026:29844 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2026:36792, RHSA-2026:46382 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2026:36791, RHSA-2026:38810, RHSA-2026:46460 |
| Red Hat Enterprise Linux AppStream E4S (v.8.8) | Fixed | RHSA-2026:36768, RHSA-2026:38502, RHSA-2026:46385 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2026:36086, RHSA-2026:36633, RHSA-2026:46377 |
| Red Hat Enterprise Linux AppStream E4S (v.9.4) | Fixed | RHSA-2026:36087, RHSA-2026:36632, RHSA-2026:46456 |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Fixed | RHSA-2026:36798 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:36085, RHSA-2026:36634, RHSA-2026:46392 |
| Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) | Fixed | RHSA-2026:36792, RHSA-2026:46382 |
| Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) | Fixed | RHSA-2026:36791, RHSA-2026:38810, RHSA-2026:46460 |
| Red Hat Enterprise Linux AppStream TUS (v.8.8) | Fixed | RHSA-2026:36768, RHSA-2026:38502, RHSA-2026:46385 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2026:26709 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2026:26566 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2026:26590, RHSA-2026:26610 |
| Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) | Fixed | RHSA-2026:36798 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2026:36083, RHSA-2026:46473 |
| Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) | Fixed | RHSA-2026:49519 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2026:36083, RHSA-2026:46473 |
| Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) | Fixed | RHSA-2026:49519 |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-50257
- 2026-10-03 Alias added: GHSA-5p7p-jgvj-4v95
References
Patch 1
Advisory 31
- RHSA-2026:26562
- RHSA-2026:26566
- RHSA-2026:26590
- RHSA-2026:26610
- RHSA-2026:26709
- RHSA-2026:28923
- RHSA-2026:29844
- RHSA-2026:36083
- RHSA-2026:36085
- RHSA-2026:36086
- RHSA-2026:36087
- RHSA-2026:36632
- RHSA-2026:36633
- RHSA-2026:36634
- RHSA-2026:36768
- RHSA-2026:36791
- RHSA-2026:36792
- RHSA-2026:36798
- RHSA-2026:38502
- RHSA-2026:38810
- RHSA-2026:46377
- RHSA-2026:46382
- RHSA-2026:46385
- RHSA-2026:46392
- RHSA-2026:46456
- RHSA-2026:46460
- RHSA-2026:46473
- RHSA-2026:49519
- https://access.redhat.com/security/cve/CVE-2026-50257
- RHBZ#2485382
- https://lists.x.org/archives/xorg-announce/2026-June/003702.html
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Sources
- CVE-2026-50257 · CVE Program
- CVE-2026-50257 · NVD
- FIRST EPSS
- GHSA-5p7p-jgvj-4v95 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-50257 · Red Hat security data · CC BY 4.0
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