cvedb.io
CVE-2025-1933
HIGH · CVSS 7.6
EPSS exploitation probability: 0%
Published 2025-03-04T14:15:38.170 · Last modified 2026-06-17T08:40:22.327

Summary

On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Affected products

mozilla — firefox

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.