← All advisories

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

CVE-2026-124863

CVE-2026-124863

Description

Use-after-free in the DOM: HTML Parser 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: up to 160, up to 115.45, up to 153.7
Mozilla Corporation/Firefox Esrllm-fuzzy
Range: up to 115.45, up to 153.7

Patches

Vulnerability mechanics

References

4

News mentions

0

No linked articles in our index yet.