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SUSE: 2021:1523-1 Moderate: Libxml2 Buffer Overflow Fix

suse
Calendar Grey May 5, 2021
Scroller Suse
Update for libxml2 resolves several vulnerabilities classified as of moderate risk in SUSE environments, improving overall system security.
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:

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SUSE libxml2

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

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

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SUSE libxml2

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