Unrated severityNVD Advisory· Published Aug 18, 2026· Updated Aug 18, 2026

CVE-2026-74969

Description

Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.

Affected products

Mozilla Corporation/Firefoxllm-fuzzy
Range: before 154

Patches

Vulnerability mechanics

References

bugzilla.mozilla.org/show_bug.cginvd
www.mozilla.org/security/advisories/mfsa2026-74/nvd
www.mozilla.org/security/advisories/mfsa2026-75/nvd
www.mozilla.org/security/advisories/mfsa2026-76/nvd
www.mozilla.org/security/advisories/mfsa2026-77/nvd

News mentions

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