CVE-2026-12330

MÉDIO 5.4CVE-2026-12330 · Published 16/06/2026 · updated 26/10/2026

Em resumo

CVE-2026-12330 é uma vulnerabilidade MÉDIO (CVSS 5.4) que afeta firefox (mozilla), thunderbird (mozilla).
Chance de exploração nos próximos 30 dias (EPSS): 0.16%, maior que 5.7% das vulnerabilidades.
Correção: atualize para 140.12.0, 115.37.0 ou posterior.

Package	Affected versions	Patched versions
firefox mozilla	`≥ 140.0, < 140.12.0< 115.37.0`	`140.12.0115.37.0`
thunderbird mozilla	`≥ 140.0, < 140.12.0`	`140.12.0`

Description

Incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 140.12, Firefox ESR 115.37, and Thunderbird 140.12.

References

bugzilla.mozilla.org/show_bug.cgi · Permissions Required
mozilla.org/security/advisories/mfsa2026-58 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-59 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-61 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

≥ 140.0, < 140.12.0< 115.37.0

140.12.0115.37.0

thunderbird

mozilla

≥ 140.0, < 140.12.0

140.12.0

Mais vulnerabilidades de firefox

Ver tudo →