Vulnerability · Published Mar 14, 2025 · Assigned by mitre
CVE-2025-24855
High 7.8
In plain English
A high-severity use-after-free in libxslt from xmlsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 70.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
numbers.c in libxslt before 1.1.43 has a use-after-free because, in nested XPath evaluations, an XPath context node can be modified but never restored. This is related to xsltNumberFormatGetValue, xsltEvalXPathPredicate, xsltEvalXPathStringNs, and xsltComputeSortResultInternal.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | libxslt | 1.1.39-7.el10_0 | ALSA-2025:7496 |
| AlmaLinux:8 | libxslt | 1.1.32-6.1.el8_10 | ALSA-2025:3615 |
| AlmaLinux:9 | libxslt | 1.1.34-9.el9_5.1 | ALSA-2025:3107 |
| AlmaLinux:10 | libxslt-devel | 1.1.39-7.el10_0 | ALSA-2025:7496 |
| AlmaLinux:8 | libxslt-devel | 1.1.32-6.1.el8_10 | ALSA-2025:3615 |
| AlmaLinux:9 | libxslt-devel | 1.1.34-9.el9_5.1 | ALSA-2025:3107 |
| Alpine:v3.20 | libxslt | 1.1.39-r2 | ALPINE-CVE-2025-24855 |
| Alpine:v3.21 | libxslt | 1.1.42-r2 | ALPINE-CVE-2025-24855 |
| Alpine:v3.22 | libxslt | 1.1.43-r0 | ALPINE-CVE-2025-24855 |
| Alpine:v3.23 | libxslt | 1.1.43-r0 | ALPINE-CVE-2025-24855 |
| Alpine:v3.24 | libxslt | 1.1.43-r0 | ALPINE-CVE-2025-24855 |
| Alpine:v3.21 | qt5-qtwebengine | 5.15.17-r7 | ALPINE-CVE-2025-24855 |
| Alpine:v3.22 | qt5-qtwebengine | 5.15.17-r10 | ALPINE-CVE-2025-24855 |
| Alpine:v3.23 | qt5-qtwebengine | 5.15.17-r10 | ALPINE-CVE-2025-24855 |
| Alpine:v3.22 | qt6-qtwebengine | 6.8.2-r3 | ALPINE-CVE-2025-24855 |
| Alpine:v3.23 | qt6-qtwebengine | 6.8.2-r3 | ALPINE-CVE-2025-24855 |
| Alpine:v3.24 | qt6-qtwebengine | 6.8.2-r3 | ALPINE-CVE-2025-24855 |
| Debian:12 | libxslt | 1.1.35-1+deb12u1 | DSA-5884-1 |
| Debian:12 | libxslt | 1.1.35-1+deb12u1 | DEBIAN-CVE-2025-24855 |
| Debian:13 | libxslt | 1.1.35-1.2 | DEBIAN-CVE-2025-24855 |
| Debian:14 | libxslt | 1.1.35-1.2 | DEBIAN-CVE-2025-24855 |
| Rocky Linux:10 | libxslt | 0:1.1.39-7.el10_0 | RLSA-2025:7496 |
| Rocky Linux:8 | libxslt | 0:1.1.32-6.1.el8_10 | RLSA-2025:3615 |
| Ubuntu:22.04:LTS | libxslt | 1.1.34-4ubuntu0.22.04.3 | USN-7361-1 |
| Ubuntu:22.04:LTS | libxslt | 1.1.34-4ubuntu0.22.04.3 | UBUNTU-CVE-2025-24855 |
| Ubuntu:24.04:LTS | libxslt | 1.1.39-0exp1ubuntu0.24.04.2 | UBUNTU-CVE-2025-24855 |
| Ubuntu:24.04:LTS | libxslt | 1.1.39-0exp1ubuntu0.24.04.2 | USN-7361-1 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H