Race condition, use-after-free in the Graphics: WebRender component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.

Project Subscriptions

Vendors Products
Mozilla Subscribe
Firefox Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 24 Mar 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Vendors & Products Mozilla
Mozilla firefox

Tue, 24 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-362
CWE-416
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 24 Mar 2026 12:45:00 +0000

Type Values Removed Values Added
Description Race condition, use-after-free in the Graphics: WebRender component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.
Title Race condition, use-after-free in the Graphics: WebRender component
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-03-24T14:13:41.950Z

Reserved: 2026-03-23T23:21:29.581Z

Link: CVE-2026-4684

cve-icon Vulnrichment

Updated: 2026-03-24T14:09:21.432Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-24T13:16:04.210

Modified: 2026-03-24T16:47:27.580

Link: CVE-2026-4684

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses