Unrated severityNVD Advisory· Published Oct 27, 2026· Updated Oct 27, 2026
CVE-2026-117994
CVE-2026-117994
Description
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
Affected products
1- Range: up to 159 (Firefox), up to 153.6 (Firefox ESR)
Patches
Vulnerability mechanics
References
3News mentions
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