SUSE-SU-2026:0260-1: MozillaFirefox&distro=openSUSE Leap 15.6

CVSS: UnknownPublished
Published 22-01-2026Last modified 23-03-2026
Open JSON

Vulnerability summary

SUSE-SU-2026:0260-1 is a vulnerability in MozillaFirefox&distro=openSUSE Leap 15.6 with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 13 · Downstream 0 · Related 13
CVE-2025-14327CVE-2026-0877CVE-2026-0878CVE-2026-0879CVE-2026-0880CVE-2026-0882

Timeline

  1. 22-01-2026
    PublishedVulnerability first disclosed.
  2. 23-03-2026
    Last modifiedVulnerability information updated.

Description

Security update for MozillaFirefox 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

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Suse11 products
  • MozillaFirefox&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS< 140.7.0-150200.152.216.1
  • MozillaFirefox&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS< 140.7.0-150200.152.216.1
  • MozillaFirefox&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS< 140.7.0-150200.152.216.1
  • MozillaFirefox&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS< 140.7.0-150200.152.216.1
  • MozillaFirefox&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP7< 140.7.0-150200.152.216.1
Opensuse1 product
  • MozillaFirefox&distro=openSUSE Leap 15.6< 140.7.0-150200.152.216.1

2 vendors · 12 products

References

15 links
Show all 15 references