Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-1933

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.5%
CVSS Severity
CVSS v3 Score 7.6
Products affected by CVE-2025-1933


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