๐Ÿ” CVE Alert

CVE-2025-3031

MEDIUM 6.5

JIT optimization bug with different stack slot sizes

CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th

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.

Vendor mozilla
Product firefox
Ecosystems
Industries
Technology
Published Apr 1, 2025
Last Updated Apr 13, 2026
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Affected Versions

Mozilla / Firefox
All versions affected
Mozilla / Thunderbird
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1947141 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-20/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-23/

Credits

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