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CVE-2026-12296

Sandbox escape in the Security: Process Sandboxing component PUBLISHED

Description (CNA)

Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxunaffected 140.12 through 140.*; unaffected 152 through *
Mozilla / Thunderbirdunaffected 140.12 through 140.*; unaffected 152 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 Security: Process Sandboxing component