SUSE MozillaThunderbird Important Memory Safety Fix Advisory 2026-2271-1
suse
June 5, 2026
An update that solves 23 vulnerabilities can now be installed.
Summary
## This update for MozillaThunderbird fixes the following issues * Updated to Mozilla Thunderbird 140.11 (bsc#1265212) MFSA 2026-44: * CVE-2026-8090: Use-after-free in the DOM: Networking component. * CVE-2026-8092: Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2. * CVE-2026-8094: Other issue in the WebRTC component. MFSA 2026-51: * CVE-2026-8388: Incorrect boundary conditions in the JavaScript Engine: JIT component. * CVE-2026-8391: Other issue in the JavaScript Engine component. * CVE-2026-8401: Sandbox escape in the Profile Backup component. * CVE-2026-8946: Incorrect boundary conditions in the Audio/Video: Web Codecs component. * CVE-2026-8947: Use-after-free in the DOM: Bindings (WebIDL) component.
Topics Covered
References
* bsc#1265212
Cross-
* CVE-2026-8090
* CVE-2026-8092
* CVE-2026-8094
* CVE-2026-8388
* CVE-2026-8391
* CVE-2026-8401
* CVE-2026-8946
* CVE-2026-8947
* CVE-2026-8949
* CVE-2026-8950
* CVE-2026-8953
* CVE-2026-8954
* CVE-2026-8955
* CVE-2026-8956
* CVE-2026-8957
* CVE-2026-8958
* CVE-2026-8959
* CVE-2026-8961
* CVE-2026-8962
* CVE-2026-8968
* CVE-2026-8970
* CVE-2026-8974
* CVE-2026-8975
CVSS scores:
* CVE-2026-8090 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-8090 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2026-8092 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-8092 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-8094 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:2271-1
Release Date: 2026-06-05T06:37:08Z
Rating: important
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!