X.Org Server (aka xserver and xorg-server) before 1.16.3 and 1.17.x before 1.17.1 allows…
Priority LOW 36CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · Partial
- Fix status
- Partial Red Hat: 14 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.
Summary
X.Org Server (aka xserver and xorg-server) before 1.16.3 and 1.17.x before 1.17.1 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (crash) via a crafted string length value in a XkbSetGeometry request.
Why it matters now
EPSS 0.04326 91st percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 14 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* | up to 1.16.3 | Vulnerable | x.org |
| cpe:2.3:a:x.org:x_server:1.17.0:*:*:*:*:*:*:* | 1.17.0 | Vulnerable | x.org |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 13.2 | Vulnerable | openSUSE |
- cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* Versions up to 1.16.3 Vulnerable ·x.org
- cpe:2.3:a:x.org:x_server:1.17.0:*:*:*:*:*:*:* Versions 1.17.0 Vulnerable ·x.org
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
Remediation
Red Hat 1 advisory
- RHSA-2015:0797 Released 2015-04-10 · Red Hat rating Moderatexorg-x11-server security update
- Red Hat Enterprise Linux Client (v. 7) xorg-x11-server-1.15.0-33.el7_1, xorg-x11-server-Xephyr-1.15.0-33.el7_1, xorg-x11-server-Xorg-1.15.0-33.el7_1 +1
- Red Hat Enterprise Linux Client Optional (v. 7) xorg-x11-server-Xdmx-1.15.0-33.el7_1, xorg-x11-server-Xnest-1.15.0-33.el7_1, xorg-x11-server-Xvfb-1.15.0-33.el7_1 +2
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) xorg-x11-server-1.15.0-33.el7_1, xorg-x11-server-Xdmx-1.15.0-33.el7_1, xorg-x11-server-Xephyr-1.15.0-33.el7_1 +6
- Red Hat Enterprise Linux Desktop (v. 6) xorg-x11-server-1.15.0-26.el6_6, xorg-x11-server-Xephyr-1.15.0-26.el6_6, xorg-x11-server-Xorg-1.15.0-26.el6_6 +1
- Red Hat Enterprise Linux Desktop Optional (v. 6) xorg-x11-server-Xdmx-1.15.0-26.el6_6, xorg-x11-server-Xnest-1.15.0-26.el6_6, xorg-x11-server-Xvfb-1.15.0-26.el6_6 +2
- Red Hat Enterprise Linux HPC Node Optional (v. 6) xorg-x11-server-1.15.0-26.el6_6, xorg-x11-server-Xdmx-1.15.0-26.el6_6, xorg-x11-server-Xephyr-1.15.0-26.el6_6 +6
- Red Hat Enterprise Linux Server (v. 6) xorg-x11-server-1.15.0-26.el6_6, xorg-x11-server-Xephyr-1.15.0-26.el6_6, xorg-x11-server-Xorg-1.15.0-26.el6_6 +1
- Red Hat Enterprise Linux Server (v. 7) xorg-x11-server-1.15.0-33.ael7b_1, xorg-x11-server-1.15.0-33.el7_1, xorg-x11-server-Xephyr-1.15.0-33.ael7b_1 +5
- Red Hat Enterprise Linux Server Optional (v. 6) xorg-x11-server-Xdmx-1.15.0-26.el6_6, xorg-x11-server-Xnest-1.15.0-26.el6_6, xorg-x11-server-Xvfb-1.15.0-26.el6_6 +3
- Red Hat Enterprise Linux Server Optional (v. 7) xorg-x11-server-Xdmx-1.15.0-33.ael7b_1, xorg-x11-server-Xdmx-1.15.0-33.el7_1, xorg-x11-server-Xnest-1.15.0-33.ael7b_1 +8
- Red Hat Enterprise Linux Workstation (v. 6) xorg-x11-server-1.15.0-26.el6_6, xorg-x11-server-Xephyr-1.15.0-26.el6_6, xorg-x11-server-Xorg-1.15.0-26.el6_6 +1
- Red Hat Enterprise Linux Workstation (v. 7) xorg-x11-server-1.15.0-33.el7_1, xorg-x11-server-Xephyr-1.15.0-33.el7_1, xorg-x11-server-Xorg-1.15.0-33.el7_1 +1
- Red Hat Enterprise Linux Workstation Optional (v. 6) xorg-x11-server-Xdmx-1.15.0-26.el6_6, xorg-x11-server-Xnest-1.15.0-26.el6_6, xorg-x11-server-Xvfb-1.15.0-26.el6_6 +2
- Red Hat Enterprise Linux Workstation Optional (v. 7) xorg-x11-server-Xdmx-1.15.0-33.el7_1, xorg-x11-server-Xnest-1.15.0-33.el7_1, xorg-x11-server-Xvfb-1.15.0-33.el7_1 +2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2015:0797 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2015:0797 |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-0255
- 2026-10-03 Alias added: GHSA-qf46-p69c-vqm4
References
Advisory 7
Sources
- CVE-2015-0255 · CVE Program
- CVE-2015-0255 · NVD
- FIRST EPSS
- GHSA-qf46-p69c-vqm4 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-0255 · Red Hat security data · CC BY 4.0
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