CVE-2026-100829

CRÍTICO 9.6CVE-2026-100829 · Published 29/09/2026 · updated 13/10/2026

Em resumo

CVE-2026-100829 é uma vulnerabilidade CRÍTICO (CVSS 9.6) que afeta firefox (mozilla), thunderbird (mozilla).
Chance de exploração nos próximos 30 dias (EPSS): 0.24%, maior que 15.0% das vulnerabilidades.
Correção: atualize para 157.0.0, 153.4.0, 157.0 ou posterior.

Package	Affected versions	Patched versions
firefox mozilla	`≥ 154.0.0, < 157.0.0< 153.4.0`	`157.0.0153.4.0`
thunderbird mozilla	`≥ 154.0, < 157.0< 153.4.0`	`157.0153.4.0`

Description

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

References

bugzilla.mozilla.org/show_bug.cgi · Permissions Required
mozilla.org/security/advisories/mfsa2026-100 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-101 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-103 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-97 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

≥ 154.0.0, < 157.0.0< 153.4.0

157.0.0153.4.0

thunderbird

mozilla

≥ 154.0, < 157.0< 153.4.0

157.0153.4.0

Mais vulnerabilidades de firefox

Ver tudo →