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.
References10
- access.redhat.com/errata/RHSA-2026:11015
- access.redhat.com/errata/RHSA-2026:26355
- access.redhat.com/errata/RHSA-2026:28243
- access.redhat.com/errata/RHSA-2026:28584
- access.redhat.com/errata/RHSA-2026:29807
- access.redhat.com/errata/RHSA-2026:29809
- access.redhat.com/errata/RHSA-2026:29811
- access.redhat.com/errata/RHSA-2026:29814
- access.redhat.com/errata/RHSA-2026:29975
- access.redhat.com/errata/RHSA-2026:29976
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 7 · as of 9 November 2026
- CWE
- CWE-825
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.