Alerts This Week
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Alerts This Week
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SUSE 15 SP7 MozillaFirefox Important DoS and Escape Vuln 2026-1829-1

suse
Calendar Grey May 13, 2026
Dist Suse Esm H88
This advisory details significant updates for MozillaFirefox addressing essential vulnerabilities and fixes.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for MozillaFirefox fixes the following issues Updated to Firefox Extended Support Release 140.10.1 ESR (bsc#1263110,MFSA 2026-36): * 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 and Firefox 150.0.1. * CVE-2026-7323: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1. ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * Desktop Applications Module 15-SP7

Topics%20covered

Topics Covered

security advisory SuSE important information disclosure sandbox escape 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:

* Desktop Applications Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1829-1
Release Date: 2026-05-12T12:00:21Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important information disclosure sandbox escape MozillaFirefox

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