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CVE-2026-12321

MEDIUM CVSS 5.4 View on NVD ↗

Description

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected Products

mozilla/firefox mozilla/thunderbird

References

Published: Jun 16, 2026 13:16 UTC Modified: Jun 16, 2026 20:41 UTC