[CLSA-2026:1789467963] libxml2: Fix of CVE-2026-86138
Type:
security
Severity:
Critical
Release date:
2026-09-15 10:26:13 UTC
Description:
- CVE-2026-86138: fix integer overflow in xmlDictAddQString pool size calculation that could lead to a heap buffer overflow, and cap the QName lengths accepted by xmlDictQLookup so the guard cannot be skipped
CVEs fixed:
Updated packages:
  • libxml2-2.9.13-12.el9_6.tuxcare.els8.i686.rpm
    sha:52b8b77676358e92920f7026c22e7b9bf328117f145ec865fb964636ea221a8c
  • libxml2-2.9.13-12.el9_6.tuxcare.els8.x86_64.rpm
    sha:40b52519b2bd6ee76e3a68d4ea9b4f10ad4eb3eaa234d7cec68f48e160d10c28
  • libxml2-devel-2.9.13-12.el9_6.tuxcare.els8.i686.rpm
    sha:1f74917b34b53f766a63ae708f0d7d83f6be8b7702eae21d43d97ca45dff6a57
  • libxml2-devel-2.9.13-12.el9_6.tuxcare.els8.x86_64.rpm
    sha:8a86a4f270a01e29b969a744507242bbc33ee67da92cb4fe1b778bf99abbd85b
  • libxml2-static-2.9.13-12.el9_6.tuxcare.els8.x86_64.rpm
    sha:3e5d38551f36c0334f31e4e486438b1273b7a346a083b4a31eedfbcc3ed6b2f6
  • python3-libxml2-2.9.13-12.el9_6.tuxcare.els8.x86_64.rpm
    sha:d81e44030198c19a730a068cd069b7ecf281a36f8b3bac34f02863e0ad0fe9ec
Notes:
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