Security update for libxml2

Announcement ID: SUSE-SU-2021:1524-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2021-3516 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-3516 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2021-3517 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  • CVE-2021-3517 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  • CVE-2021-3518 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-3518 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE Linux Enterprise Software Development Kit 12 SP5

An update that solves three vulnerabilities can now be installed.

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 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 High Performance Computing 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1524=1
  • SUSE Linux Enterprise Server 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1524=1
  • SUSE Linux Enterprise Server for SAP Applications 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-devel-2.9.4-46.40.1
    • libxml2-debugsource-2.9.4-46.40.1
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    • python-libxml2-debugsource-2.9.4-46.40.1
    • libxml2-debugsource-2.9.4-46.40.1
    • libxml2-2-debuginfo-2.9.4-46.40.1
    • libxml2-tools-debuginfo-2.9.4-46.40.1
    • libxml2-2-2.9.4-46.40.1
    • python-libxml2-2.9.4-46.40.1
    • libxml2-tools-2.9.4-46.40.1
    • python-libxml2-debuginfo-2.9.4-46.40.1
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
    • libxml2-doc-2.9.4-46.40.1
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    • libxml2-2-debuginfo-32bit-2.9.4-46.40.1
    • libxml2-2-32bit-2.9.4-46.40.1
  • SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    • python-libxml2-debugsource-2.9.4-46.40.1
    • libxml2-debugsource-2.9.4-46.40.1
    • libxml2-2-debuginfo-2.9.4-46.40.1
    • libxml2-tools-debuginfo-2.9.4-46.40.1
    • libxml2-2-2.9.4-46.40.1
    • python-libxml2-2.9.4-46.40.1
    • libxml2-tools-2.9.4-46.40.1
    • python-libxml2-debuginfo-2.9.4-46.40.1
  • SUSE Linux Enterprise Server 12 SP5 (noarch)
    • libxml2-doc-2.9.4-46.40.1
  • SUSE Linux Enterprise Server 12 SP5 (s390x x86_64)
    • libxml2-2-debuginfo-32bit-2.9.4-46.40.1
    • libxml2-2-32bit-2.9.4-46.40.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    • python-libxml2-debugsource-2.9.4-46.40.1
    • libxml2-debugsource-2.9.4-46.40.1
    • libxml2-2-debuginfo-2.9.4-46.40.1
    • libxml2-tools-debuginfo-2.9.4-46.40.1
    • libxml2-2-2.9.4-46.40.1
    • python-libxml2-2.9.4-46.40.1
    • libxml2-tools-2.9.4-46.40.1
    • python-libxml2-debuginfo-2.9.4-46.40.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
    • libxml2-doc-2.9.4-46.40.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    • libxml2-2-debuginfo-32bit-2.9.4-46.40.1
    • libxml2-2-32bit-2.9.4-46.40.1

References: