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SUSE: 2021:1524-1 Moderate libxml2 Security Update Released

suse
Calendar Grey May 5, 2021
Scroller Suse
The latest release of libxml2 has resolved three critical security vulnerabilities, notably a moderate-impact buffer overflow and a use-after-free flaw.
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 Linux Enterprise Software Development Kit 12-SP5: zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-1524=1 - SUSE Linux Enterprise Server 12-SP5: zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1524=1 Package List:

Topics%20covered

Topics Covered

security advisory buffer overflow software update moderate severity SUSE libxml2 use after free

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 Linux Enterprise Software Development Kit 12-SP5

SUSE Linux Enterprise Server 12-SP5

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
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1524-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory buffer overflow software update moderate severity SUSE libxml2 use after free

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