Libsoup: out of bounds reads in soup_headers_parse_request()
Priority LOW 35CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 26 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
A flaw was found in libsoup, where the soup_headers_parse_request() function may be vulnerable to an out-of-bound read. This flaw allows a malicious user to use a specially crafted HTTP request to crash the HTTP server.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01286 70th percentileScored 2026-11-07
Fix Partial libsoup: 3.6.5Red Hat: 13 advisoriesRed Hat: 26 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| — | libsoup | before 3.6.5 | 3.6.5 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 10 | — | 3.6.5-3.el10_0 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — | 2.62.2-9.el7_9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 2.62.3-8.el8_10 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 2.8-3.el8_10.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 8.10-1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 2.62.3-8.el8_10 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — | 2.62.3-1.el8_2.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | 2.62.3-2.el8_4.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | — | 2.62.3-2.el8_4.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | — | 2.62.3-2.el8_4.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | 2.62.3-2.el8_6.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — | 2.62.3-2.el8_6.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — | 2.62.3-2.el8_6.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | 2.62.3-3.el8_8.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 2.72.0-10.el9_6.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — | 2.72.0-8.el9_0.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 2.72.0-8.el9_2.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | — | 2.72.0-8.el9_4.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | No fix listed | CNA |
- libsoup Vendor— Affected before 3.6.5 Fixed in 3.6.5 Patch available CNA
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in 3.6.5-3.el10_0 Patch available CNA
- Red Hat Enterprise Linux 7 Extended Lifecycle Support VendorRed Hat Affected — Fixed in 2.62.2-9.el7_9 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 2.62.3-8.el8_10 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 2.8-3.el8_10.1 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 8.10-1 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 2.62.3-8.el8_10 Patch available CNA
- Red Hat Enterprise Linux 8.2 Advanced Update Support VendorRed Hat Affected — Fixed in 2.62.3-1.el8_2.4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 2.62.3-2.el8_4.4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service VendorRed Hat Affected — Fixed in 2.62.3-2.el8_4.4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 2.62.3-2.el8_4.4 Patch available CNA
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 2.62.3-2.el8_6.4 Patch available CNA
- Red Hat Enterprise Linux 8.6 Telecommunications Update Service VendorRed Hat Affected — Fixed in 2.62.3-2.el8_6.4 Patch available CNA
- Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 2.62.3-2.el8_6.4 Patch available CNA
- Red Hat Enterprise Linux 8.8 Extended Update Support VendorRed Hat Affected — Fixed in 2.62.3-3.el8_8.4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 2.72.0-10.el9_6.1 Patch available CNA
- Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 2.72.0-8.el9_0.4 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 2.72.0-8.el9_2.4 Patch available CNA
- Red Hat Enterprise Linux 9.4 Extended Update Support VendorRed Hat Affected — Fixed in 2.72.0-8.el9_4.4 Patch available CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE names CNA · 26
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/o:redhat:enterprise_linux:10.0 | 10.0 | — | Red Hat |
| cpe:/o:redhat:rhel_els:7 | 7 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:8::appstream | 8 | — | Red Hat |
| cpe:/o:redhat:enterprise_linux:8::baseos | 8 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:8::crb | 8 | — | Red Hat |
| cpe:/a:redhat:rhel_aus:8.2::appstream | 8.2 | — | Red Hat |
| cpe:/o:redhat:rhel_aus:8.2::baseos | 8.2 | — | Red Hat |
| cpe:/a:redhat:rhel_aus:8.4::appstream | 8.4 | — | Red Hat |
| cpe:/a:redhat:rhel_e4s:8.4::appstream | 8.4 | — | Red Hat |
| cpe:/a:redhat:rhel_tus:8.4::appstream | 8.4 | — | Red Hat |
- cpe:/o:redhat:enterprise_linux:10.0 Versions 10.0 — ·Red Hat
- cpe:/o:redhat:rhel_els:7 Versions 7 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:8::appstream Versions 8 — ·Red Hat
- cpe:/o:redhat:enterprise_linux:8::baseos Versions 8 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:8::crb Versions 8 — ·Red Hat
- cpe:/a:redhat:rhel_aus:8.2::appstream Versions 8.2 — ·Red Hat
- cpe:/o:redhat:rhel_aus:8.2::baseos Versions 8.2 — ·Red Hat
- cpe:/a:redhat:rhel_aus:8.4::appstream Versions 8.4 — ·Red Hat
- cpe:/a:redhat:rhel_e4s:8.4::appstream Versions 8.4 — ·Red Hat
- cpe:/a:redhat:rhel_tus:8.4::appstream Versions 8.4 — ·Red Hat
Show 16 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/o:redhat:rhel_aus:8.4::baseos | 8.4 | — | Red Hat |
| cpe:/o:redhat:rhel_e4s:8.4::baseos | 8.4 | — | Red Hat |
| cpe:/o:redhat:rhel_tus:8.4::baseos | 8.4 | — | Red Hat |
| cpe:/a:redhat:rhel_aus:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_e4s:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_tus:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/o:redhat:rhel_aus:8.6::baseos | 8.6 | — | Red Hat |
| cpe:/o:redhat:rhel_e4s:8.6::baseos | 8.6 | — | Red Hat |
| cpe:/o:redhat:rhel_tus:8.6::baseos | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:8.8::appstream | 8.8 | — | Red Hat |
| cpe:/o:redhat:rhel_eus:8.8::baseos | 8.8 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:9::appstream | 9 | — | Red Hat |
| cpe:/a:redhat:rhel_e4s:9.0::appstream | 9.0 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:9.2::appstream | 9.2 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:9.4::appstream | 9.4 | — | Red Hat |
| cpe:/o:redhat:rhel_els:6 | 6 | — | Red Hat |
- cpe:/o:redhat:rhel_aus:8.4::baseos Versions 8.4 — ·Red Hat
- cpe:/o:redhat:rhel_e4s:8.4::baseos Versions 8.4 — ·Red Hat
- cpe:/o:redhat:rhel_tus:8.4::baseos Versions 8.4 — ·Red Hat
- cpe:/a:redhat:rhel_aus:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_e4s:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_tus:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/o:redhat:rhel_aus:8.6::baseos Versions 8.6 — ·Red Hat
- cpe:/o:redhat:rhel_e4s:8.6::baseos Versions 8.6 — ·Red Hat
- cpe:/o:redhat:rhel_tus:8.6::baseos Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_eus:8.8::appstream Versions 8.8 — ·Red Hat
- cpe:/o:redhat:rhel_eus:8.8::baseos Versions 8.8 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:9::appstream Versions 9 — ·Red Hat
- cpe:/a:redhat:rhel_e4s:9.0::appstream Versions 9.0 — ·Red Hat
- cpe:/a:redhat:rhel_eus:9.2::appstream Versions 9.2 — ·Red Hat
- cpe:/a:redhat:rhel_eus:9.4::appstream Versions 9.4 — ·Red Hat
- cpe:/o:redhat:rhel_els:6 Versions 6 — ·Red Hat
Remediation
- Fix · CNA libsoup Fixed in 3.6.5
Red Hat 13 advisories
- RHSA-2025:21657 Released 2025-11-18 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux Server (v. 7 ELS) libsoup-2.62.2-9.el7_9, libsoup-2.62.2-9.el7_9.ppc, libsoup-devel-2.62.2-9.el7_9 +1
- RHSA-2025:9179 Released 2025-06-17 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux Server (v. 7 ELS) libsoup-2.62.2-6.el7_9, libsoup-devel-2.62.2-6.el7_9
- RHSA-2025:8292 Released 2025-05-29 · Red Hat rating Importantmingw-freetype and spice-client-win security update
- Red Hat Enterprise Linux AppStream (v. 8) spice-client-win-8.10-1.el8_10, spice-client-win-x64-8.10-1.el8_10, spice-client-win-x86-8.10-1.el8_10
- Red Hat Enterprise Linux CRB (v. 8) mingw-freetype-2.8-3.el8_10.1, mingw32-freetype-2.8-3.el8_10.1, mingw32-freetype-static-2.8-3.el8_10.1 +2
Show 10 more Red Hat advisories
- RHSA-2025:7505 Released 2025-05-13 · Red Hat rating Importantlibsoup3 security update
- Red Hat Enterprise Linux AppStream (v. 10) libsoup3-3.6.5-3.el10_0, libsoup3-devel-3.6.5-3.el10_0
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) libsoup3-doc-3.6.5-3.el10_0
- RHSA-2025:7436 Released 2025-05-13 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux AppStream (v. 9) libsoup-2.72.0-10.el9_6.1, libsoup-devel-2.72.0-10.el9_6.1
- RHSA-2025:4624 Released 2025-05-07 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) libsoup-devel-2.62.3-2.el8_6.4
- Red Hat Enterprise Linux AppStream E4S (v.8.6) libsoup-devel-2.62.3-2.el8_6.4
- Red Hat Enterprise Linux AppStream TUS (v.8.6) libsoup-devel-2.62.3-2.el8_6.4
- Red Hat Enterprise Linux BaseOS AUS (v.8.6) libsoup-2.62.3-2.el8_6.4
- Red Hat Enterprise Linux BaseOS E4S (v.8.6) libsoup-2.62.3-2.el8_6.4
- Red Hat Enterprise Linux BaseOS TUS (v.8.6) libsoup-2.62.3-2.el8_6.4
- RHSA-2025:4609 Released 2025-05-07 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) libsoup-devel-2.62.3-2.el8_4.4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) libsoup-devel-2.62.3-2.el8_4.4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) libsoup-devel-2.62.3-2.el8_4.4
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) libsoup-2.62.3-2.el8_4.4
- Red Hat Enterprise Linux BaseOS E4S (v.8.4) libsoup-2.62.3-2.el8_4.4
- Red Hat Enterprise Linux BaseOS TUS (v.8.4) libsoup-2.62.3-2.el8_4.4
- RHSA-2025:4568 Released 2025-05-06 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) libsoup-devel-2.62.3-3.el8_8.4
- Red Hat Enterprise Linux BaseOS EUS (v.8.8) libsoup-2.62.3-3.el8_8.4
- RHSA-2025:4508 Released 2025-05-06 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) libsoup-2.72.0-8.el9_2.4, libsoup-devel-2.72.0-8.el9_2.4
- RHSA-2025:4560 Released 2025-05-06 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux AppStream (v. 8) libsoup-devel-2.62.3-8.el8_10
- Red Hat Enterprise Linux BaseOS (v. 8) libsoup-2.62.3-8.el8_10
- RHSA-2025:4538 Released 2025-05-06 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) libsoup-devel-2.62.3-1.el8_2.4
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) libsoup-2.62.3-1.el8_2.4
- RHSA-2025:4440 Released 2025-05-05 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux AppStream EUS (v.9.4) libsoup-2.72.0-8.el9_4.4, libsoup-devel-2.72.0-8.el9_4.4
- RHSA-2025:4439 Released 2025-05-05 · Red Hat rating Importantlibsoup security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) libsoup-2.72.0-8.el9_0.4, libsoup-devel-2.72.0-8.el9_0.4
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 Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2025:7505 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2025:4560, RHSA-2025:8292 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:7436 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2025:4538 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2025:4609 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2025:4624 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2025:4609 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2025:4624 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2025:4439 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2025:4568 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2025:4508 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2025:4440 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2025:4609 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2025:4624 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2025:4560 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2025:4538 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2025:4609 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.6) | Fixed | RHSA-2025:4624 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.4) | Fixed | RHSA-2025:4609 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.6) | Fixed | RHSA-2025:4624 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.8) | Fixed | RHSA-2025:4568 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.4) | Fixed | RHSA-2025:4609 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.6) | Fixed | RHSA-2025:4624 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2025:8292 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2025:7505 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2025:21657 |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-32906
- 2026-10-03 Alias added: GHSA-f4vp-qjpg-x8wq
- 2026-11-01 Affected versions changed · CNA
- 2026-11-01 Affected versions changed · Red Hat
References
Advisory 12
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Sources
- CVE-2025-32906 · CVE Program
- CVE-2025-32906 · NVD
- FIRST EPSS
- GHSA-f4vp-qjpg-x8wq · GitHub Advisory Database · CC BY 4.0
- CVE-2025-32906 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences