CVE-2026-12305

Memory safety bug fixed in Firefox 152

CVSS 7.5 HIGHEPSS 0.4%CWE-119

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 7.5EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

16 jun 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

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

Produtos afetados

Mozilla · Firefox Mozilla · Thunderbird

Quer saber se a sua infraestrutura está exposta a isto?

Falar com a TrueHacking →

Referências

https://bugzilla.mozilla.org/show_bug.cgi?id=2037290 https://www.mozilla.org/security/advisories/mfsa2026-57/https://www.mozilla.org/security/advisories/mfsa2026-58/https://www.mozilla.org/security/advisories/mfsa2026-60/https://www.mozilla.org/security/advisories/mfsa2026-61/