Security update for libxml2

SUSE Security Update: Security update for libxml2
Announcement ID: SUSE-SU-2021:1524-1
Rating: moderate
References: #1185408 #1185409 #1185410
Cross-References:CVE-2021-3516 CVE-2021-3517 CVE-2021-3518
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12-SP5
  • SUSE Linux Enterprise Server 12-SP5

An update that fixes three vulnerabilities is now available.

Description:

This update for libxml2 fixes the following issues:

  • CVE-2021-3518: Fixed a use after free in xinclude.c:xmlXIncludeDoProcess (bsc#1185408).
  • CVE-2021-3517: Fixed a heap based buffer overflow in entities.c:xmlEncodeEntitiesInternal (bsc#1185410).
  • CVE-2021-3516: Fixed a use after free in entities.c:xmlEncodeEntitiesInternal (bsc#1185409).

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Software Development Kit 12-SP5:
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-1524=1
  • SUSE Linux Enterprise Server 12-SP5:
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1524=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le s390x x86_64):
    • libxml2-debugsource-2.9.4-46.40.1
    • libxml2-devel-2.9.4-46.40.1
  • SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):
    • libxml2-2-2.9.4-46.40.1
    • libxml2-2-debuginfo-2.9.4-46.40.1
    • libxml2-debugsource-2.9.4-46.40.1
    • libxml2-tools-2.9.4-46.40.1
    • libxml2-tools-debuginfo-2.9.4-46.40.1
    • python-libxml2-2.9.4-46.40.1
    • python-libxml2-debuginfo-2.9.4-46.40.1
    • python-libxml2-debugsource-2.9.4-46.40.1
  • SUSE Linux Enterprise Server 12-SP5 (s390x x86_64):
    • libxml2-2-32bit-2.9.4-46.40.1
    • libxml2-2-debuginfo-32bit-2.9.4-46.40.1
  • SUSE Linux Enterprise Server 12-SP5 (noarch):
    • libxml2-doc-2.9.4-46.40.1

References: