CVE-2025-1942

CRITICAL

9.8

Description

When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string. This vulnerability was fixed in Firefox 136 and Thunderbird 136.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/4/2025

Derniere modification4/13/2026

Sourcenvd

Observations honeypot0

Produits affectes

mozilla:firefoxmozilla:thunderbird

Faiblesses (CWE)

CWE-908

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1947139(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-14/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-17/(security@mozilla.org)

Correlations IOC

Aucune correlation enregistree

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