[CLSA-2026:1789745402] Fix CVE(s): CVE-2026-86142
Type:
security
Severity:
Critical
Release date:
2026-09-18 15:30:13 UTC
Description:
* SECURITY UPDATE: heap-based buffer overflow in XPointer expression parsing - debian/patches/CVE-2026-86142.patch: reject XPointer parts longer than INT_MAX before allocating xmlXPtrEvalXPtrPart()'s copy buffer, avoiding xmlStrlen() wraparound and the resulting heap overflow - CVE-2026-86142
CVEs fixed:
Updated packages:
  • libxml2_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_amd64.deb
    sha:5565b6818139b87c20e2219ac53f3d9f396d1eb4
  • libxml2-dev_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_amd64.deb
    sha:cb797cec7023150e0b8836c5ea98091def0a344d
  • libxml2-doc_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_all.deb
    sha:ca7b55c0f8debb2e3454e6bf8489c83ad0c94af6
  • libxml2-utils_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_amd64.deb
    sha:ee7d31fbce5e1b7799688263a41ba9a3fe05ddd4
  • python-libxml2_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_amd64.deb
    sha:7ffb3fe33e16279ff4ad1a8c58b74441caab511e
  • python3-libxml2_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_amd64.deb
    sha:024cfbcd502c2709728d1ece55d51ceaae8c71b5
  • libxml2_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_arm64.deb
    sha:deb9a5c8818a7f9b4b78c52c5911e57ab2fcc120
  • libxml2-dev_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_arm64.deb
    sha:c812f93f9f3a6754a8b40b20ee8176c5854b1544
  • libxml2-utils_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_arm64.deb
    sha:3c2bd41639160036d7886c098a5d5a971727a6b8
  • python-libxml2_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_arm64.deb
    sha:dd53ad80e77de84e691db38369556ee5d583f1dd
  • python3-libxml2_2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els15_arm64.deb
    sha:a99afa229d7980914bc00db88f5121bbcd486e42
Notes:
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