Vulnerability · Published Sep 25, 2025 · Assigned by redhat
CVE-2025-10911Libxslt: use-after-free with key data stored cross-rvt
Medium 5.5
In plain English
A medium-severity security flaw in libxslt. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 93.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A use-after-free vulnerability was found in libxslt while parsing xsl nodes that may lead to the dereference of expired pointers and application crash.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | libxslt | 1.1.39-8.el10_2.1 | ALSA-2026:28584 |
| AlmaLinux:8 | libxslt | 1.1.32-6.4.el8_10 | ALSA-2026:26355 |
| AlmaLinux:9 | libxslt | 1.1.34-14.el9_8.1 | ALSA-2026:28243 |
| AlmaLinux:10 | libxslt-devel | 1.1.39-8.el10_2.1 | ALSA-2026:28584 |
| AlmaLinux:8 | libxslt-devel | 1.1.32-6.4.el8_10 | ALSA-2026:26355 |
| AlmaLinux:9 | libxslt-devel | 1.1.34-14.el9_8.1 | ALSA-2026:28243 |
| Debian:12 | libxslt | no fix listed | DEBIAN-CVE-2025-10911 |
| Debian:13 | libxslt | no fix listed | DEBIAN-CVE-2025-10911 |
| Debian:14 | libxslt | 1.1.43-0.3 | DEBIAN-CVE-2025-10911 |
| Rocky Linux:10 | libxslt | 0:1.1.39-8.el10_2.1 | RLSA-2026:28584 |
| Rocky Linux:8 | libxslt | 0:1.1.32-6.4.el8_10 | RLSA-2026:26355 |
| Rocky Linux:9 | libxslt | 0:1.1.34-14.el9_7.1 | RLSA-2026:28243 |
| Ubuntu:22.04:LTS | libxslt | no fix listed | UBUNTU-CVE-2025-10911 |
| Ubuntu:24.04:LTS | libxslt | no fix listed | UBUNTU-CVE-2025-10911 |
| Ubuntu:25.10 | libxslt | no fix listed | UBUNTU-CVE-2025-10911 |
| Ubuntu:26.04:LTS | libxslt | 1.1.43-0.3 | UBUNTU-CVE-2025-10911 |
Affected products (as reported)
Weakness: CWE-825 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- RHSA-2026:11015 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:26355 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:28243 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:28584 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:29807 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:29809 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:29811 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:29814 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:29975 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:29976 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:30847 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:33313 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:44481 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:58981 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:74674 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-10911 vdb-entry, x_refsource_REDHAT
- RHBZ#2397838 issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/libxslt/-/issues/144
- https://gitlab.gnome.org/GNOME/libxslt/-/merge_requests/77