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Unrated severityNVD Advisory· Published Oct 27, 2026· Updated Oct 27, 2026

CVE-2026-117883

CVE-2026-117883

Description

Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

Affected products

2

Mozilla Corporation/Firefox Esrllm-fuzzy
Range: <115.44, <153.6
Mozilla Corporation/Firefoxllm-fuzzy
Range: <159, <115.44, <153.6

Patches

Vulnerability mechanics

References

4

News mentions

0

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CVE-2026-117883 · VYPR