Attestkeep
Language: English
Sign up

Vulnerabilities / openSUSE-SU-2026:20041-1

critical

openSUSE-SU-2026:20041-1

Security update for MozillaFirefox

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

No source gives a CVSS score.

Trivy's own label is CRITICAL. Rated critical by SUSE.

Description

This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.7.0 ESR (bsc#1256340). - MFSA 2026-03 (bsc#1256340) * 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

Affected packages and fixed versions

SourcePackageFixed in
openSUSE Leap 16.0MozillaFirefox, MozillaFirefox-branding-upstream, MozillaFirefox-devel and 2 more140.7.0-160000.1.1
Show all 5 entries from 1 source
SourcePackageFixed in
openSUSE Leap 16.0MozillaFirefox140.7.0-160000.1.1
openSUSE Leap 16.0MozillaFirefox-branding-upstream140.7.0-160000.1.1
openSUSE Leap 16.0MozillaFirefox-devel140.7.0-160000.1.1
openSUSE Leap 16.0MozillaFirefox-translations-common140.7.0-160000.1.1
openSUSE Leap 16.0MozillaFirefox-translations-other140.7.0-160000.1.1

References

All 15 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.