Security update for MozillaFirefox
| Announcement ID: | SUSE-SU-2026:0812-1 |
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| Release Date: | 2026-03-05T08:31:47Z |
| Rating: | important |
| References: | |
| Cross-References: |
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| CVSS scores: |
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| Affected Products: |
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An update that solves 37 vulnerabilities can now be installed.
Description:
This update for MozillaFirefox fixes the following issues:
Update to Firefox Extended Support Release 140.8.0 ESR (MFSA 2026-15) (bsc#1258568):
- CVE-2026-2757: Incorrect boundary conditions in the WebRTC: Audio/Video component
- CVE-2026-2758: Use-after-free in the JavaScript: GC component
- CVE-2026-2759: Incorrect boundary conditions in the Graphics: ImageLib component
- CVE-2026-2760: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component
- CVE-2026-2761: Sandbox escape in the Graphics: WebRender component
- CVE-2026-2762: Integer overflow in the JavaScript: Standard Library component
- CVE-2026-2763: Use-after-free in the JavaScript Engine component
- CVE-2026-2764: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component
- CVE-2026-2765: Use-after-free in the JavaScript Engine component
- CVE-2026-2766: Use-after-free in the JavaScript Engine: JIT component
- CVE-2026-2767: Use-after-free in the JavaScript: WebAssembly component
- CVE-2026-2768: Sandbox escape in the Storage: IndexedDB component
- CVE-2026-2769: Use-after-free in the Storage: IndexedDB component
- CVE-2026-2770: Use-after-free in the DOM: Bindings (WebIDL) component
- CVE-2026-2771: Undefined behavior in the DOM: Core & HTML component
- CVE-2026-2772: Use-after-free in the Audio/Video: Playback component
- CVE-2026-2773: Incorrect boundary conditions in the Web Audio component
- CVE-2026-2774: Integer overflow in the Audio/Video component
- CVE-2026-2775: Mitigation bypass in the DOM: HTML Parser component
- CVE-2026-2776: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software
- CVE-2026-2777: Privilege escalation in the Messaging System component
- CVE-2026-2778: Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component
- CVE-2026-2779: Incorrect boundary conditions in the Networking: JAR component
- CVE-2026-2780: Privilege escalation in the Netmonitor component
- CVE-2026-2781: Integer overflow in the Libraries component in NSS
- CVE-2026-2782: Privilege escalation in the Netmonitor component
- CVE-2026-2783: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component
- CVE-2026-2784: Mitigation bypass in the DOM: Security component
- CVE-2026-2785: Invalid pointer in the JavaScript Engine component
- CVE-2026-2786: Use-after-free in the JavaScript Engine component
- CVE-2026-2787: Use-after-free in the DOM: Window and Location component
- CVE-2026-2788: Incorrect boundary conditions in the Audio/Video: GMP component
- CVE-2026-2789: Use-after-free in the Graphics: ImageLib component
- CVE-2026-2790: Same-origin policy bypass in the Networking: JAR component
- CVE-2026-2791: Mitigation bypass in the Networking: Cache component
- CVE-2026-2792: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148
- CVE-2026-2793: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148
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 Server 12 SP5 LTSS Extended Security
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-812=1 -
SUSE Linux Enterprise Server 12 SP5 LTSS
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-812=1
Package List:
-
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
- MozillaFirefox-140.8.0-112.301.1
- MozillaFirefox-debuginfo-140.8.0-112.301.1
- MozillaFirefox-translations-common-140.8.0-112.301.1
- MozillaFirefox-debugsource-140.8.0-112.301.1
-
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
- MozillaFirefox-devel-140.8.0-112.301.1
-
SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
- MozillaFirefox-140.8.0-112.301.1
- MozillaFirefox-debuginfo-140.8.0-112.301.1
- MozillaFirefox-translations-common-140.8.0-112.301.1
- MozillaFirefox-debugsource-140.8.0-112.301.1
-
SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
- MozillaFirefox-devel-140.8.0-112.301.1
References:
- https://www.suse.com/security/cve/CVE-2026-2757.html
- https://www.suse.com/security/cve/CVE-2026-2758.html
- https://www.suse.com/security/cve/CVE-2026-2759.html
- https://www.suse.com/security/cve/CVE-2026-2760.html
- https://www.suse.com/security/cve/CVE-2026-2761.html
- https://www.suse.com/security/cve/CVE-2026-2762.html
- https://www.suse.com/security/cve/CVE-2026-2763.html
- https://www.suse.com/security/cve/CVE-2026-2764.html
- https://www.suse.com/security/cve/CVE-2026-2765.html
- https://www.suse.com/security/cve/CVE-2026-2766.html
- https://www.suse.com/security/cve/CVE-2026-2767.html
- https://www.suse.com/security/cve/CVE-2026-2768.html
- https://www.suse.com/security/cve/CVE-2026-2769.html
- https://www.suse.com/security/cve/CVE-2026-2770.html
- https://www.suse.com/security/cve/CVE-2026-2771.html
- https://www.suse.com/security/cve/CVE-2026-2772.html
- https://www.suse.com/security/cve/CVE-2026-2773.html
- https://www.suse.com/security/cve/CVE-2026-2774.html
- https://www.suse.com/security/cve/CVE-2026-2775.html
- https://www.suse.com/security/cve/CVE-2026-2776.html
- https://www.suse.com/security/cve/CVE-2026-2777.html
- https://www.suse.com/security/cve/CVE-2026-2778.html
- https://www.suse.com/security/cve/CVE-2026-2779.html
- https://www.suse.com/security/cve/CVE-2026-2780.html
- https://www.suse.com/security/cve/CVE-2026-2781.html
- https://www.suse.com/security/cve/CVE-2026-2782.html
- https://www.suse.com/security/cve/CVE-2026-2783.html
- https://www.suse.com/security/cve/CVE-2026-2784.html
- https://www.suse.com/security/cve/CVE-2026-2785.html
- https://www.suse.com/security/cve/CVE-2026-2786.html
- https://www.suse.com/security/cve/CVE-2026-2787.html
- https://www.suse.com/security/cve/CVE-2026-2788.html
- https://www.suse.com/security/cve/CVE-2026-2789.html
- https://www.suse.com/security/cve/CVE-2026-2790.html
- https://www.suse.com/security/cve/CVE-2026-2791.html
- https://www.suse.com/security/cve/CVE-2026-2792.html
- https://www.suse.com/security/cve/CVE-2026-2793.html
- https://bugzilla.suse.com/show_bug.cgi?id=1258568