SUSE 15 SP7 MozillaFirefox Important Memory Safety Patch 2026-1322-1
suse
April 14, 2026
An update that solves three vulnerabilities and contains one feature can now be installed.
Summary
## This update for MozillaFirefox fixes the following issues: * Update to 149.0.2 and 140.9.1esr (bsc#1261663). * CVE-2026-5731: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2. * CVE-2026-5732: Incorrect boundary conditions, integer overflow in the Graphics: Text component. * CVE-2026-5734: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2. ## 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: * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
Topics Covered
References
* bsc#1261663
* jsc#PED-15778
Cross-
* CVE-2026-5731
* CVE-2026-5732
* CVE-2026-5734
CVSS scores:
* CVE-2026-5731 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-5731 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-5732 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-5732 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-5734 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-5734 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-5734 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* Desktop Applications Module 15-SP7
* SUSE Linux Enterprise Desktop 15 SP7
* SUSE Linux Enterprise High Performance Computing 15 SP4
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Announcement ID: SUSE-SU-2026:1322-1
Release Date: 2026-04-14T12:42:13Z
Rating: important
Topics Covered
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