[ubuntu/focal-updates] libxml2 2.9.10+dfsg-5ubuntu0.20.04.6 (Accepted)

[Ubuntu Archive Robot]

libxml2 (2.9.10+dfsg-5ubuntu0.20.04.6) focal-security; urgency=medium

  * SECURITY UPDATE: Null dereference
    - debian/patches/CVE-2023-28484-*.patch: Fix null-pointer-deref in
      xmlSchemaCheckCOSSTDerivedOK and xmlSchemaFixupComplexType
      when parsing (invalid) XML schemas in
      result/schemas/oss-fuzz-51295_0_0.err,
      test/schemas/oss-fuzz-51295_0.xml,
      test/schemas/oss-fuzz-51295_0.xsd,
      xmlschemas.c.
    - CVE-2023-28484
  * SECURITY UPDATE: Logic or memory errors and double frees
    - debian/patches/CVE-2023-29469.patch: check namelen less equal zero in
      dict.c.
    - CVE-2023-29469

Date: 2023-04-17 09:26:12.843296+00:00
Changed-By: leo.barbosa at canonical.com (Leonidas S. Barbosa)
Signed-By: Ubuntu Archive Robot <ubuntu-archive-robot at lists.canonical.com>
https://launchpad.net/ubuntu/+source/libxml2/2.9.10+dfsg-5ubuntu0.20.04.6
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