RHSA-2026:29976 — Security Advisory
Red Hat Security Advisory: libxslt security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · June 26, 2026
Updated · October 3, 2026
Topic
An update for libxslt is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
libxslt is a library for transforming XML files into other textual formats (including HTML, plain text, and other XML representations of the underlying data) using the standard XSLT stylesheet transformation mechanism.
Security Fix(es):
- libxslt: use-after-free with key data stored cross-RVT (CVE-2025-10911)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.