CVE-2026-124923

Description

Sandbox escape in the Agent component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2074806
• https://www.mozilla.org/security/advisories/mfsa2026-125/
• https://www.mozilla.org/security/advisories/mfsa2026-128/