[CLSA-2026:1789484345] alt-libxml2: Fix of 8 CVEs
Type:
security
Severity:
Critical
Release date:
2026-09-15 14:59:30 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.el8.x86_64.rpm
    sha:12f1f4c7af70c816c24a61a5cd491746411a670843c3ca704e8949e7d73359c7
  • alt-libxml2-devel-2.10.2-6.el8.x86_64.rpm
    sha:1396323b2d5d54acf4460707461185536456e7ace8adbe94105c8e19853f6964
  • alt-libxml2-static-2.10.2-6.el8.x86_64.rpm
    sha:b12f0e0491b4bb5126f17781aea3b6e34b016404ff4d18ac72339fa28a994fa5
Notes:
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