CVE-2025-1942

CRITICAL

9.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/4/2025

Ultima modificacao4/13/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

mozilla:firefoxmozilla:thunderbird

Fraquezas (CWE)

CWE-908

Referencias

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)

Correlacoes IOC

Sem correlacoes registradas

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