🔐 CVE Alert

CVE-2026-74984

UNKNOWN 0.0

Race condition in the JavaScript Engine component

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.

Vendor mozilla
Product firefox
Ecosystems
Industries
Technology
Published Aug 18, 2026
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Affected Versions

Mozilla / Firefox
All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2053670 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-74/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-77/

Credits

Amy Burnett of OpenAI