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SUSE: 2021:14729-1 Important: libxml2 Security Risk Mitigation

suse
Calendar Grey May 19, 2021
Scroller Suse
SUSE Security Patch for libxml2 addresses several flaws to improve overall system safety. Critical updates ready for installation.
An update that fixes 9 vulnerabilities is now available

Summary

This update for libxml2 fixes the following issues: Security issues fixed: - 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 xmlEncodeEntitiesInternal() in entities.c (bsc#1185409) - CVE-2020-24977: Fixed a global-buffer-overflow in xmlEncodeEntitiesInternal (bsc#1176179). - CVE-2019-20388: Fixed a memory leak in xmlSchemaPreRun (bsc#1161521). - CVE-2020-7595: Fixed an infinite loop in an EOF situation (bsc#1161517). - CVE-2019-19956: Fixed a memory leak in

Topics%20covered

Topics Covered

security advisory buffer overflow server important memory leak libxml2

References

#1159928 #1161517 #1161521 #1176179 #1185408

#1185409 #1185410 #1185698

Cross- CVE-2014-0191 CVE-2019-19956 CVE-2019-20388

CVE-2020-24977 CVE-2020-7595 CVE-2021-3516

CVE-2021-3517 CVE-2021-3518 CVE-2021-3537

CVSS scores:

CVE-2019-19956 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2019-19956 (SUSE): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVE-2019-20388 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2019-20388 (SUSE): 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

CVE-2020-24977 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CVE-2020-24977 (SUSE): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVE-2020-7595 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:14729-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow server important memory leak libxml2

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