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SUSE: 2021:2874-1 Important: MozillaThunderbird Memory Corruption

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Calendar Grey August 30, 2021
Scroller Suse
SUSE Security Bulletin for MozillaThunderbird resolves severe memory vulnerabilities and delivers crucial updates for affected installations.
An update that fixes 6 vulnerabilities is now available

Summary

This update for MozillaThunderbird fixes the following issues: Update to version 78.13 (MFSA 2021-35, bsc#1188891) - CVE-2021-29986: Race condition when resolving DNS names could have led to memory corruption - CVE-2021-29988: Memory corruption as a result of incorrect style treatment - CVE-2021-29984: Incorrect instruction reordering during JIT optimization - CVE-2021-29980: Uninitialized memory in a canvas object could have led to memory corruption - CVE-2021-29985: Use-after-free media channels - CVE-2021-29989: Memory safety bugs fixed in Thunderbird 78.13 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:

Topics%20covered

Topics Covered

security advisory important memory issue SUSE Linux MozillaThunderbird

References

#1188891

Cross- CVE-2021-29980 CVE-2021-29984 CVE-2021-29985

CVE-2021-29986 CVE-2021-29988 CVE-2021-29989

CVSS scores:

CVE-2021-29980 (SUSE): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2021-29984 (SUSE): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2021-29985 (SUSE): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVE-2021-29986 (SUSE): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2021-29988 (SUSE): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2021-29989 (SUSE): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Workstation Extension 15-SP3

SUSE Linux Enterprise Workstation Extension 15-SP2

https://www.suse.com/security/cve/CVE-2021-29980.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:2874-1
Rating: important

Topics%20covered

Topics Covered

security advisory important memory issue SUSE Linux MozillaThunderbird

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