CVE-2025-3031

MEDIUM
Published Apr 1, 2025 Modified Apr 13, 2026 CWE-200

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.

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CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor Product
mozilla firefox
mozilla thunderbird

References

Frequently Asked Questions

What is CVE-2025-3031? +
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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2025-3031? +
CVE-2025-3031 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-3031? +
CVE-2025-3031 affects products from mozilla, specifically: firefox, thunderbird. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-3031? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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