A libxml2 security update has been released for openSUSE Leap 15.2.

openSUSE-SU-2021:0692-1: moderate: Security update for libxml2

openSUSE Security Update: Security update for libxml2
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Announcement ID: openSUSE-SU-2021:0692-1
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:
openSUSE Leap 15.2
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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).

This update was imported from the SUSE:SLE-15:Update update project.

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 15.2:

zypper in -t patch openSUSE-2021-692=1


Package List:

- openSUSE Leap 15.2 (i586 x86_64):

libxml2-2-2.9.7-lp152.10.9.1
libxml2-2-debuginfo-2.9.7-lp152.10.9.1
libxml2-debugsource-2.9.7-lp152.10.9.1
libxml2-devel-2.9.7-lp152.10.9.1
libxml2-tools-2.9.7-lp152.10.9.1
libxml2-tools-debuginfo-2.9.7-lp152.10.9.1
python-libxml2-python-debugsource-2.9.7-lp152.10.9.1
python2-libxml2-python-2.9.7-lp152.10.9.1
python2-libxml2-python-debuginfo-2.9.7-lp152.10.9.1
python3-libxml2-python-2.9.7-lp152.10.9.1
python3-libxml2-python-debuginfo-2.9.7-lp152.10.9.1

- openSUSE Leap 15.2 (x86_64):

libxml2-2-32bit-2.9.7-lp152.10.9.1
libxml2-2-32bit-debuginfo-2.9.7-lp152.10.9.1
libxml2-devel-32bit-2.9.7-lp152.10.9.1

- openSUSE Leap 15.2 (noarch):

libxml2-doc-2.9.7-lp152.10.9.1

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