MEDIUMCVSS 5.4
CVE-2026-12321
CVE-2026-12321 updated by NVD
Summary
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
References
Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.
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