Race Condition and Use-After-Free Vulnerability in Mozilla Firefox
CVE-2026-74973

Currently unrated

Key Information:

Vendor

Mozilla

Status
Vendor
CVE Published:
18 August 2026

What is CVE-2026-74973?

A race condition and use-after-free vulnerability exist in the Graphics component of Mozilla Firefox, which could potentially allow attackers to exploit memory management errors. This vulnerability has been addressed in several Firefox versions including Firefox 154 and various ESR releases. Users are advised to update to the latest versions to ensure security and stability.

Affected Version(s)

Firefox 115.39

Firefox 140.14

Firefox 153.1

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

r00tdaddy
.