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CVE-2026-0881

Sandbox escape in the Messaging System component PUBLISHED

Description (CNA)

Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxunaffected 147 through *
Mozilla / Thunderbirdunaffected 147 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. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Messaging System component