CVE-2026-6751

HIGH

7.3

Description

Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Details CVE

Score CVSS v3.17.3

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/21/2026

Derniere modification4/22/2026

Sourcenvd

Observations honeypot0

Produits affectes

mozilla:firefoxmozilla:thunderbird

Faiblesses (CWE)

CWE-457

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2025883(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-30/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-32/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-33/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-34/(security@mozilla.org)

Correlations IOC

Aucune correlation enregistree

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