CVE-2025-1933
7.6
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Exploitability: 2.8 / Impact: 4.7
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
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 was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
Affected (5)
Products: Mozilla: Firefox, Thunderbird
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 136.0 | |
| Before 128.8 |
References (7)
Source: af854a3a-2127-422b-91ae-364da2661108
Timeline
No history available yet.