VDB

TNCVE-2026-4690

TNCVE-2026-4690 PUBLISHED

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Timeline

  • Mar 24, 2026 CVE Published

References

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