CVE-2026-3847

Memory safety bugs fixed in Firefox 148.0.2

CVSS 8.8 HIGHEPSS 0.3%CWE-119 CWE-416

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.8EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

10 mar 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148.0.2.

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

Produtos afetados

Mozilla · Firefox

Referências

https://bugzilla.mozilla.org/buglist.cgi?bug_id=2017513%2C2017622%2C2019341 https://www.mozilla.org/security/advisories/mfsa2026-19/