Unrated severityNVD Advisory· Published Sep 15, 2026

CVE-2026-92019

Description

Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.

Affected products

Mozilla Corporation/Firefox Esrllm-fuzzy
Range: up to Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3
Mozilla Corporation/Firefoxllm-fuzzy
Range: up to Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3

Patches

Vulnerability mechanics

References

bugzilla.mozilla.org/show_bug.cginvd
www.mozilla.org/security/advisories/mfsa2026-90/nvd
www.mozilla.org/security/advisories/mfsa2026-91/nvd
www.mozilla.org/security/advisories/mfsa2026-92/nvd
www.mozilla.org/security/advisories/mfsa2026-93/nvd

News mentions

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