Red Hat Security Advisory

RHSA-2026:6499

libxslt security update

Released 2026-04-02 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream EUS (v.9.6) libxslt-1.1.34-13.el9_6.1, libxslt-devel-1.1.34-13.el9_6.1

TI-2023-21222 CVE-2023-40403 · GHSA-j822-w26r-9cxf

LOW 32

The issue was addressed with improved memory handling.

CVSS 3.1MEDIUM 6.5 Network No auth User interaction EPSS 0.01327 Published 2023-09-26 Partial fix · 17, 12.7 +4