Unrated severityNVD Advisory· Published Sep 1, 2026

CVE-2026-84131

Description

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, and Firefox ESR 153.2.

Affected products

Mozilla Corporation/Firefoxllm-fuzzy
Range: before 155, before 115.40, before 140.15, before 153.2

Patches

Vulnerability mechanics

References

bugzilla.mozilla.org/show_bug.cginvd
www.mozilla.org/security/advisories/mfsa2026-82/nvd
www.mozilla.org/security/advisories/mfsa2026-83/nvd
www.mozilla.org/security/advisories/mfsa2026-84/nvd
www.mozilla.org/security/advisories/mfsa2026-85/nvd

News mentions

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