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SUSE Linux Enterprise: 2021:1167-1 Important Memory Safety Issues

suse
Calendar Grey April 13, 2021
Scroller Suse
SUSE has released a vital security patch for Mozilla Thunderbird, improving user system reliability and safeguarding against potential threats.
An update that fixes 6 vulnerabilities is now available

Summary

This update for MozillaThunderbird fixes the following issues: - Mozilla Thunderbird was updated to version 78.9.1 (MFSA 2021-12,MFSA 2021-13, bsc#1183942, bsc#1184536) * CVE-2021-23981: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Malicious extensions could have spoofed popup information * CVE-2021-23987: Memory safety bugs * CVE-2021-23991: An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key * CVE-2021-23993: Inability to send encrypted OpenPGP email after importing a crafted OpenPGP key - cleaned up and fixed mozilla.sh.in for wayland (bsc#1177542) Patch Instructions:

Topics%20covered

Topics Covered

security advisory update important memory safety mozilla thunderbird issues suse linux enterprise

References

#1177542 #1183942 #1184536

Cross- CVE-2021-23981 CVE-2021-23982 CVE-2021-23984

CVE-2021-23987 CVE-2021-23991 CVE-2021-23992

CVSS scores:

CVE-2021-23981 (NVD) : 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

CVE-2021-23982 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CVE-2021-23984 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CVE-2021-23987 (NVD) : 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2021-23991 (SUSE): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected Products:

SUSE Linux Enterprise Workstation Extension 15-SP3

SUSE Linux Enterprise Workstation Extension 15-SP2

https://www.suse.com/security/cve/CVE-2021-23981.html

https://www.suse.com/security/cve/CVE-2021-23982.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1167-1
Rating: important

Topics%20covered

Topics Covered

security advisory update important memory safety mozilla thunderbird issues suse linux enterprise

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