SUSE Security Update: Security update for libxml2
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:1523-1
Rating:             moderate
References:         #1185408 #1185409 #1185410 
Cross-References:   CVE-2021-3516 CVE-2021-3517 CVE-2021-3518
                   
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-2021-3517 (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 (SUSE): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
                    SUSE MicroOS 5.0
                    SUSE Linux Enterprise Module for Python2 15-SP3
                    SUSE Linux Enterprise Module for Python2 15-SP2
                    SUSE Linux Enterprise Module for Basesystem 15-SP3
                    SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________

   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 MicroOS 5.0:

      zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-1523=1

   - SUSE Linux Enterprise Module for Python2 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Python2-15-SP3-2021-1523=1

   - SUSE Linux Enterprise Module for Python2 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-1523=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1523=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1523=1



Package List:

   - SUSE MicroOS 5.0 (aarch64 x86_64):

      libxml2-2-2.9.7-3.31.1
      libxml2-2-debuginfo-2.9.7-3.31.1
      libxml2-debugsource-2.9.7-3.31.1
      libxml2-tools-2.9.7-3.31.1
      libxml2-tools-debuginfo-2.9.7-3.31.1

   - SUSE Linux Enterprise Module for Python2 15-SP3 (aarch64 ppc64le s390x x86_64):

      python-libxml2-python-debugsource-2.9.7-3.31.1
      python2-libxml2-python-2.9.7-3.31.1
      python2-libxml2-python-debuginfo-2.9.7-3.31.1

   - SUSE Linux Enterprise Module for Python2 15-SP2 (aarch64 ppc64le s390x x86_64):

      python-libxml2-python-debugsource-2.9.7-3.31.1
      python2-libxml2-python-2.9.7-3.31.1
      python2-libxml2-python-debuginfo-2.9.7-3.31.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x x86_64):

      libxml2-2-2.9.7-3.31.1
      libxml2-2-debuginfo-2.9.7-3.31.1
      libxml2-debugsource-2.9.7-3.31.1
      libxml2-devel-2.9.7-3.31.1
      libxml2-tools-2.9.7-3.31.1
      libxml2-tools-debuginfo-2.9.7-3.31.1
      python-libxml2-python-debugsource-2.9.7-3.31.1
      python3-libxml2-python-2.9.7-3.31.1
      python3-libxml2-python-debuginfo-2.9.7-3.31.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3 (x86_64):

      libxml2-2-32bit-2.9.7-3.31.1
      libxml2-2-32bit-debuginfo-2.9.7-3.31.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):

      libxml2-2-2.9.7-3.31.1
      libxml2-2-debuginfo-2.9.7-3.31.1
      libxml2-debugsource-2.9.7-3.31.1
      libxml2-devel-2.9.7-3.31.1
      libxml2-tools-2.9.7-3.31.1
      libxml2-tools-debuginfo-2.9.7-3.31.1
      python-libxml2-python-debugsource-2.9.7-3.31.1
      python3-libxml2-python-2.9.7-3.31.1
      python3-libxml2-python-debuginfo-2.9.7-3.31.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64):

      libxml2-2-32bit-2.9.7-3.31.1
      libxml2-2-32bit-debuginfo-2.9.7-3.31.1


References:

   https://www.suse.com/security/cve/CVE-2021-3516.html
   https://www.suse.com/security/cve/CVE-2021-3517.html
   https://www.suse.com/security/cve/CVE-2021-3518.html
   https://bugzilla.suse.com/1185408
   https://bugzilla.suse.com/1185409
   https://bugzilla.suse.com/1185410

SUSE: 2021:1523-1 moderate: libxml2

May 5, 2021
An update that fixes three vulnerabilities is now available

Summary

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 MicroOS 5.0: zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-1523=1 - SUSE Linux Enterprise Module for Python2 15-SP3: zypper in -t patch SUSE-SLE-Module-Python2-15-SP3-2021-1523=1 - SUSE Linux Enterprise Module for Python2 15-SP2: zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-1523=1 - SUSE Linux Enterprise Module for Basesystem 15-SP3: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1523=1 - SUSE Linux Enterprise Module for Basesystem 15-SP2: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1523=1 Package List: - SUSE MicroOS 5.0 (aarch64 x86_64): libxml2-2-2.9.7-3.31.1 libxml2-2-debuginfo-2.9.7-3.31.1 libxml2-debugsource-2.9.7-3.31.1 libxml2-tools-2.9.7-3.31.1 libxml2-tools-debuginfo-2.9.7-3.31.1 - SUSE Linux Enterprise Module for Python2 15-SP3 (aarch64 ppc64le s390x x86_64): python-libxml2-python-debugsource-2.9.7-3.31.1 python2-libxml2-python-2.9.7-3.31.1 python2-libxml2-python-debuginfo-2.9.7-3.31.1 - SUSE Linux Enterprise Module for Python2 15-SP2 (aarch64 ppc64le s390x x86_64): python-libxml2-python-debugsource-2.9.7-3.31.1 python2-libxml2-python-2.9.7-3.31.1 python2-libxml2-python-debuginfo-2.9.7-3.31.1 - SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x x86_64): libxml2-2-2.9.7-3.31.1 libxml2-2-debuginfo-2.9.7-3.31.1 libxml2-debugsource-2.9.7-3.31.1 libxml2-devel-2.9.7-3.31.1 libxml2-tools-2.9.7-3.31.1 libxml2-tools-debuginfo-2.9.7-3.31.1 python-libxml2-python-debugsource-2.9.7-3.31.1 python3-libxml2-python-2.9.7-3.31.1 python3-libxml2-python-debuginfo-2.9.7-3.31.1 - SUSE Linux Enterprise Module for Basesystem 15-SP3 (x86_64): libxml2-2-32bit-2.9.7-3.31.1 libxml2-2-32bit-debuginfo-2.9.7-3.31.1 - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64): libxml2-2-2.9.7-3.31.1 libxml2-2-debuginfo-2.9.7-3.31.1 libxml2-debugsource-2.9.7-3.31.1 libxml2-devel-2.9.7-3.31.1 libxml2-tools-2.9.7-3.31.1 libxml2-tools-debuginfo-2.9.7-3.31.1 python-libxml2-python-debugsource-2.9.7-3.31.1 python3-libxml2-python-2.9.7-3.31.1 python3-libxml2-python-debuginfo-2.9.7-3.31.1 - SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64): libxml2-2-32bit-2.9.7-3.31.1 libxml2-2-32bit-debuginfo-2.9.7-3.31.1

References

#1185408 #1185409 #1185410

Cross- CVE-2021-3516 CVE-2021-3517 CVE-2021-3518

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-2021-3517 (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 (SUSE): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

SUSE MicroOS 5.0

SUSE Linux Enterprise Module for Python2 15-SP3

SUSE Linux Enterprise Module for Python2 15-SP2

SUSE Linux Enterprise Module for Basesystem 15-SP3

SUSE Linux Enterprise Module for Basesystem 15-SP2

https://www.suse.com/security/cve/CVE-2021-3516.html

https://www.suse.com/security/cve/CVE-2021-3517.html

https://www.suse.com/security/cve/CVE-2021-3518.html

https://bugzilla.suse.com/1185408

https://bugzilla.suse.com/1185409

https://bugzilla.suse.com/1185410

Severity
Announcement ID: SUSE-SU-2021:1523-1
Rating: moderate

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