SUSE-SU-2026:0122-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-20260122-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0122-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/SUSE-SU-2026:0122-1
Upstream
Related
Published
2026-01-14T08:49:21Z
Modified
2026-03-11T07:31:13.333903Z
Summary
Security update for MozillaFirefox
Details

This update for MozillaFirefox fixes the following issues:

Update to Firefox Extended Support Release 140.7.0 ESR (bsc#1256340).

  • MFSA 2026-03
    • CVE-2026-0877: Mitigation bypass in the DOM: Security component
    • CVE-2026-0878: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component
    • CVE-2026-0879: Sandbox escape due to incorrect boundary conditions in the Graphics component
    • CVE-2026-0880: Sandbox escape due to integer overflow in the Graphics component
    • CVE-2026-0882: Use-after-free in the IPC component
    • CVE-2025-14327: Spoofing issue in the Downloads Panel component
    • CVE-2026-0883: Information disclosure in the Networking component
    • CVE-2026-0884: Use-after-free in the JavaScript Engine component
    • CVE-2026-0885: Use-after-free in the JavaScript: GC component
    • CVE-2026-0886: Incorrect boundary conditions in the Graphics component
    • CVE-2026-0887: Clickjacking issue, information disclosure in the PDF Viewer component
    • CVE-2026-0890: Spoofing issue in the DOM: Copy-Paste and Drag-Drop component
    • CVE-2026-0891: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147
References

Affected packages

SUSE:Linux Enterprise Server 12 SP5-LTSS / MozillaFirefox

Package

Name
MozillaFirefox
Purl
pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
140.7.0-112.295.1

Ecosystem specific 

{
    "binaries": [
        {
            "MozillaFirefox-devel": "140.7.0-112.295.1",
            "MozillaFirefox-translations-common": "140.7.0-112.295.1",
            "MozillaFirefox": "140.7.0-112.295.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0122-1.json"

SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 / MozillaFirefox

Package

Name
MozillaFirefox
Purl
pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
140.7.0-112.295.1

Ecosystem specific 

{
    "binaries": [
        {
            "MozillaFirefox-devel": "140.7.0-112.295.1",
            "MozillaFirefox-translations-common": "140.7.0-112.295.1",
            "MozillaFirefox": "140.7.0-112.295.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0122-1.json"