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CVE-2026-8401

Sandbox escape in the Profile Backup component PUBLISHED

Description (CNA)

Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxunaffected 115.36 through 115.*; unaffected 140.11 through 140.*; unaffected 150.0.3 through *
Mozilla / Thunderbirdunaffected 140.11 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

redhat-SADP

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Profile Backup component