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High severity8.8NVD Advisory· Published Nov 10, 2026· Updated Nov 10, 2026

CVE-2026-124877

CVE-2026-124877

Description

Use-after-free in the Layout: Positioned component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.

Affected products

2

Mozilla Corporation/Firefoxllm-fuzzy
Range: <160, <115.45, <153.7
Mozilla Corporation/Firefox Esrllm-fuzzy
Range: <115.45, <153.7

Patches

Vulnerability mechanics

References

4

News mentions

0

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