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Security Advisories

CVE-2025-1933

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-1933

Severity

7.6

High

CVSS V3

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Description

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 affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

References

Affected packages

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