[ubuntu/plucky-updates] libxml2 2.12.7+dfsg+really2.9.14-0.4ubuntu0.2 (Accepted)

[Ubuntu Archive Robot]

libxml2 (2.12.7+dfsg+really2.9.14-0.4ubuntu0.2) plucky-security; urgency=medium

  * SECURITY UPDATE: stack-based buffer overflow
    - debian/patches/CVE-2025-6021.patch: fix integer overflow by adding
      bound checks in xmlBuildQName in tree.c
      prevent integer overflow
    - debian/patches/CVE-2025-6170.patch: fix buffer overflow by adding
      bound checks in xmlShell in debugXML.c
    - CVE-2025-6021
    - CVE-2025-6170
  * SECURITY UPDATE: UAF and type confusion
    - debian/patches/CVE-2025-49794_49796.patch: fix UAF by returning node
      and freeing it after use; fix type confusion by adding type check in
      xmlSchematronFormatReport in schematron.c
    - CVE-2025-49794
    - CVE-2025-49796

Date: 2025-08-13 14:48:12.903744+00:00
Changed-By: Shishir Subedi <shishirsub10 at gmail.com>
Signed-By: Ubuntu Archive Robot <ubuntu-archive-robot at lists.canonical.com>
https://launchpad.net/ubuntu/+source/libxml2/2.12.7+dfsg+really2.9.14-0.4ubuntu0.2
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