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SUSE Linux 16.0 MozillaFirefox Important Issues Memory Safety 2026-21541-1

suse
Calendar Grey May 11, 2026
Dist Suse Esm H88
Update for SUSE MozillaFirefox addresses important vulnerabilities, including memory safety and information disclosure flaws.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.10.1 ESR. * MFSA 2026-36 (bsc#1263110) * CVE-2026-7320: Information disclosure due to incorrect boundary conditions in the Audio/Video component. * CVE-2026-7321: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. * CVE-2026-7322: Memory safety bugs fixed in Firefox ESR 115.35.1, Firefox ESR 140.10.1, Thunderbird ESR 140.10.1, Firefox 150.0.1 and Thunderbird 150.0.1 * CVE-2026-7323: Memory safety bugs fixed in Firefox ESR 140.10.1, Thunderbird ESR 140.10.1, Firefox 150.0.1 and Thunderbird 150.0.1 ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Topics%20covered

Topics Covered

security advisory SuSE important information disclosure memory safety MozillaFirefox

References

* bsc#1263110

Cross-

* CVE-2026-7320

* CVE-2026-7321

* CVE-2026-7322

* CVE-2026-7323

CVSS scores:

* CVE-2026-7320 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2026-7321 ( NVD ): 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

* CVE-2026-7322 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

* CVE-2026-7323 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Products:

* SUSE Linux Enterprise Server 16.0

* SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves four vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-7320.html

* https://www.suse.com/security/cve/CVE-2026-7321.html

* https://www.suse.com/security/cve/CVE-2026-7322.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21541-1
Release Date: 2026-05-04T10:46:30Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important information disclosure memory safety MozillaFirefox

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