High severity8.8NVD Advisory· Published Nov 10, 2026· Updated Nov 10, 2026
CVE-2026-124866
CVE-2026-124866
Description
Use-after-free in the Layout component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
Affected products
1- Range: up to 160 (Firefox), up to 153.7 (Firefox ESR)
Patches
Vulnerability mechanics
References
3News mentions
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