CVE-2026-74969

UNKNOWN 0.0

Use-after-free in the Layout: Text and Fonts component

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	mozilla
Product	firefox
Ecosystems	Browser JavaScript
Industries	Technology
Published	Aug 18, 2026

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Affected Versions

Mozilla / Firefox

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2056065 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-74/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-75/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-76/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-77/

Credits

Hyeonjun Ahn