An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability affects Firefox < 137 and Thunderbird < 137.
https://www.mozilla.org/security/advisories/mfsa2025-23/
https://www.mozilla.org/security/advisories/mfsa2025-20/
https://bugzilla.mozilla.org/show_bug.cgi?id=1947141
Source: Mitre, NVD
Published: 2025-04-01
Updated: 2025-04-07
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N