Unrated severityNVD Advisory· Published Aug 18, 2026· Updated Aug 18, 2026
CVE-2026-74937
CVE-2026-74937
Description
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
Affected products
1- Range: up to Firefox 154 and Firefox ESR 153.1
Patches
Vulnerability mechanics
References
3News mentions
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