SUSE-SU-2026:20978-1: MozillaFirefox&distro=SUSE Linux Enterprise Server 16.0 SUSE Linux Enterprise

Published
Published 27-03-2026Last modified 10-04-2026

Vulnerability summary

SUSE-SU-2026:20978-1 is a vulnerability in MozillaFirefox&distro=SUSE Linux Enterprise Server 16.0 SUSE Linux Enterprise with no CVSS score yet.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS scoreNot scoredRisk metrics not yet published.
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 38 · Downstream 0 · Related 38
CVE-2025-59375CVE-2026-4684CVE-2026-4685CVE-2026-4686CVE-2026-4687CVE-2026-4688

Timeline

  1. 27-03-2026
    PublishedVulnerability first disclosed.
  2. 10-04-2026
    Last modifiedVulnerability information updated.

Description

Security update for MozillaFirefox This update for MozillaFirefox fixes the following issues: Update to Firefox 140.9.0 ESR (MFSA 2026-22, bsc#1260083): - CVE-2026-4684: Race condition, use-after-free in the Graphics: WebRender component - CVE-2026-4685: Incorrect boundary conditions in the Graphics: Canvas2D component - CVE-2026-4686: Incorrect boundary conditions in the Graphics: Canvas2D component - CVE-2026-4687: Sandbox escape due to incorrect boundary conditions in the Telemetry component - CVE-2026-4688: Sandbox escape due to use-after-free in the Disability Access APIs component - CVE-2026-4689: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component - CVE-2026-4690: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component - CVE-2026-4691: Use-after-free in the CSS Parsing and Computation component - CVE-2026-4692: Sandbox escape in the Responsive Design Mode component - CVE-2026-4693: Incorrect boundary conditions in the Audio/Video: Playback component - CVE-2026-4694: Incorrect boundary conditions, integer overflow in the Graphics component - CVE-2026-4695: Incorrect boundary conditions in the Audio/Video: Web Codecs component - CVE-2026-4696: Use-after-free in the Layout: Text and Fonts component - CVE-2026-4697: Incorrect boundary conditions in the Audio/Video: Web Codecs component - CVE-2026-4698: JIT miscompilation in the JavaScript Engine: JIT component - CVE-2026-4699: Incorrect boundary conditions in the Layout: Text and Fonts component - CVE-2026-4700: Mitigation bypass in the Networking: HTTP component - CVE-2026-4701: Use-after-free in the JavaScript Engine component - CVE-2026-4702: JIT miscompilation in the JavaScript Engine component - CVE-2026-4704: Denial-of-service in the WebRTC: Signaling component - CVE-2026-4705: Undefined behavior in the WebRTC: Signaling component - CVE-2026-4706: Incorrect boundary conditions in the Graphics: Canvas2D component - CVE-2026-4707: Incorrect boundary conditions in the Graphics: Canvas2D component - CVE-2026-4708: Incorrect boundary conditions in the Graphics component - CVE-2026-4709: Incorrect boundary conditions in the Audio/Video: GMP component - CVE-2026-4710: Incorrect boundary conditions in the Audio/Video component - CVE-2026-4711: Use-after-free in the Widget: Cocoa component - CVE-2026-4712: Information disclosure in the Widget: Cocoa component - CVE-2026-4713: Incorrect boundary conditions in the Graphics component - CVE-2026-4714: Incorrect boundary conditions in the Audio/Video component - CVE-2026-4715: Uninitialized memory in the Graphics: Canvas2D component - CVE-2026-4716: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component - CVE-2026-4717: Privilege escalation in the Netmonitor component - CVE-2025-59375: Denial-of-service in the XML component - CVE-2026-4718: Undefined behavior in the WebRTC: Signaling component - CVE-2026-4719: Incorrect boundary conditions in the Graphics: Text component - CVE-2026-4720: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 - CVE-2026-4721: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Suse2 products
  • MozillaFirefox&distro=SUSE Linux Enterprise Server 16.0< 140.9.0-160000.1.1
  • MozillaFirefox&distro=SUSE Linux Enterprise Server for SAP applications 16.0< 140.9.0-160000.1.1

1 vendor · 2 products

References

40 links
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