CVE-2025-9181

MÉDIO 6.5CVE-2025-9181 · Published 19/08/2025 · updated 05/10/2026

Em resumo

CVE-2025-9181 é uma vulnerabilidade MÉDIO (CVSS 6.5) que afeta firefox (mozilla), thunderbird (mozilla).
Chance de exploração nos próximos 30 dias (EPSS): 0.39%, maior que 33.2% das vulnerabilidades.
Correção: atualize para 140.2.0, 128.14.0, 142.0 ou posterior.

Package	Affected versions	Patched versions
firefox mozilla	`≥ 140.0, < 140.2.0< 128.14.0< 142.0`	`140.2.0128.14.0142.0`
thunderbird mozilla	`≥ 140.0, < 140.2.0< 128.14.0< 142.0`	`140.2.0128.14.0142.0`

Description

Uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

References

bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
mozilla.org/security/advisories/mfsa2025-64 · Vendor Advisory
mozilla.org/security/advisories/mfsa2025-66 · Vendor Advisory
mozilla.org/security/advisories/mfsa2025-67 · Vendor Advisory
mozilla.org/security/advisories/mfsa2025-70 · Vendor Advisory
mozilla.org/security/advisories/mfsa2025-71 · Vendor Advisory
mozilla.org/security/advisories/mfsa2025-72 · Vendor Advisory
lists.debian.org/debian-lts-announce/2025/08/msg00016.html
lists.debian.org/debian-lts-announce/2025/08/msg00018.html

Mais vulnerabilidades de firefox

Ver tudo →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

firefox

mozilla

≥ 140.0, < 140.2.0< 128.14.0< 142.0

140.2.0128.14.0142.0

thunderbird

mozilla

≥ 140.0, < 140.2.0< 128.14.0< 142.0

140.2.0128.14.0142.0

Mais vulnerabilidades de firefox

Ver tudo →