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Red Hat Security Advisory

RHSA-2026:64463

Red Hat Hardened Images RPMs bug fix and enhancement update

Released 2026-09-06 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 9 records

Priority MEDIUM 40

A flaw was found in libxml2 with Python bindings enabled.

CVSS 3.1HIGH 8.5 Network Low privileges No interaction EPSS 0.00658 Published 2026-09-08 Partial fix · 2.12.5-10.el10_2.4, 2.12.5-9.el10_0.9 +43 CWE-763
Priority LOW 35

In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00157 Published 2026-09-05 Partial fix · 2.15.4 CWE-122
Priority LOW 33

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback.

CVSS 3.1HIGH 7.3 Local Low privileges No interaction EPSS 0.00194 Published 2026-09-05 Partial fix · 2.15.4 CWE-192
TI-2026-58931 CVE-2026-86137 · GHSA-cq7w-3xjv-g47g

Out-of-bounds read in xmlsoft libxml2

Priority LOW 27

In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp.

CVSS 3.1MEDIUM 6.1 Local Low privileges No interaction EPSS 0.00195 Published 2026-09-05 Fixed in 2.15.4 CWE-125