[ubuntu/bionic-security] libxml2 2.9.4+dfsg1-6.1ubuntu1.9 (Accepted)

[Leonidas S. Barbosa]

libxml2 (2.9.4+dfsg1-6.1ubuntu1.9) bionic-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 09:22:08.754055+00:00
Changed-By: leo.barbosa at canonical.com (Leonidas S. Barbosa)
https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.9
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