Alerts This Week
Warning Icon 1 764
Alerts This Week
Warning Icon 1 764

openSUSE Leap 15.2: 2021:0764-1 Important: Libxml2 Fixes

opensuse
Calendar Grey May 22, 2021
Dist Opensuse Esm H88
Important patch for Fedora corrects several vulnerabilities in libxml2, bolstering system stability and user protection.
An update that fixes four vulnerabilities is now available

Description

This update for libxml2 fixes the following issues:

- CVE-2021-3537: NULL pointer dereference in

valid.c:xmlValidBuildAContentModel (bsc#1185698)

- 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.

Topics%20covered

Topics Covered

security advisory buffer overflow important NULL pointer important patch libxml2 openSUSE use after free NULL pointer dereference

Patch

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-2021-764=1

Package List

- openSUSE Leap 15.2 (i586 x86_64):

libxml2-2-2.9.7-lp152.10.12.1

libxml2-2-debuginfo-2.9.7-lp152.10.12.1

libxml2-debugsource-2.9.7-lp152.10.12.1

libxml2-devel-2.9.7-lp152.10.12.1

libxml2-tools-2.9.7-lp152.10.12.1

libxml2-tools-debuginfo-2.9.7-lp152.10.12.1

python-libxml2-python-debugsource-2.9.7-lp152.10.12.1

python2-libxml2-python-2.9.7-lp152.10.12.1

python2-libxml2-python-debuginfo-2.9.7-lp152.10.12.1

python3-libxml2-python-2.9.7-lp152.10.12.1

python3-libxml2-python-debuginfo-2.9.7-lp152.10.12.1

- openSUSE Leap 15.2 (x86_64):

libxml2-2-32bit-2.9.7-lp152.10.12.1

libxml2-2-32bit-debuginfo-2.9.7-lp152.10.12.1

libxml2-devel-32bit-2.9.7-lp152.10.12.1

- openSUSE Leap 15.2 (noarch):

libxml2-doc-2.9.7-lp152.10.12.1

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://www.suse.com/security/cve/CVE-2021-3537.html

https://bugzilla.suse.com/1185408

https://bugzilla.suse.com/1185409

https://bugzilla.suse.com/1185410

https://bugzilla.suse.com/1185698

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:0764-1
Rating: important
Affected Products: openSUSE Leap 15.2 .

Topics%20covered

Topics Covered

security advisory buffer overflow important NULL pointer important patch libxml2 openSUSE use after free NULL pointer dereference

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here