Medium severity6.5NVD Advisory· Published Apr 1, 2025· Updated Apr 13, 2026

CVE-2025-3031

Description

An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability was fixed in Firefox 137 and Thunderbird 137.

Affected products

Mozilla Corporation/Firefox
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Range: <137.0
Mozilla Corporation/Thunderbird
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Range: <137.0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.mozilla.org/security/advisories/mfsa2025-20/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2025-23/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions Required

News mentions

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000