[CLSA-2026:1789485119] alt-libxml2: Fix of 8 CVEs
Type:
security
Severity:
Critical
Release date:
2026-09-15 15:12:17 UTC
Description:
- CVE-2026-86137: out-of-bounds read in the NXT macro in xmlFAParsePosCharGroup - CVE-2026-86138: integer overflow and heap buffer overflow in xmlDictAddQString - CVE-2025-24928: stale-length bounds check inside the xmlSnprintfElements loop (upstream 8c8753ad); this is the stack overflow reachable on 2.10.2 - CVE-2026-86140: unchecked strcat at the entry and exit of xmlSnprintfElements (upstream d1686f91); hardening only on 2.10.2, callers pass an emptied buffer - CVE-2026-86141: NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure - CVE-2026-86142: heap buffer overflow in xmlXPtrEvalXPtrPart from xpointer length saturation - CVE-2026-86143: negative lengths reaching write callbacks in xmlIO - CVE-2026-86144: xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags; the include context now inherits every document parse flag (NOENT, RECOVER and HUGE included), not only NONET
Updated packages:
  • alt-libxml2-2.10.2-6.el7.x86_64.rpm
    sha:82143561e06c0d5bc16d7f5e19a2871f8cf5b7c507f056f536060a881498cfe6
  • alt-libxml2-devel-2.10.2-6.el7.x86_64.rpm
    sha:399f990cc499ad80133bfacead8f11c4038e5ee142dd37449b6dc56528fcc1b3
  • alt-libxml2-static-2.10.2-6.el7.x86_64.rpm
    sha:a316a4fa30e9025f80686b6cd8761abd3ab7cbbc0187a1b6a4ff40a4789a7078
Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the CloudLinux Packaging Team.