Race Condition in Firefox JS GC Component
CVE-2026-2802 Published on February 24, 2026
Race condition in the JavaScript: GC component
Race condition in the JavaScript: GC component. This vulnerability affects Firefox < 148.
Vulnerability Analysis
CVE-2026-2802 is exploitable with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
CVE-2026-2802 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2026-2802
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Affected Versions
Mozilla Firefox:- Version unspecified and below 148 is affected.
- Version unspecified and below 148 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.