Vulnerability Description
Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 129.0 |
| Mozilla | Firefox Esr | < 115.14.0 |
| Mozilla | Thunderbird | < 115.14.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1904644Issue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2024-33/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-34/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-35/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-37/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-38/Vendor Advisory
FAQ
What is CVE-2024-7521?
CVE-2024-7521 is a vulnerability with a CVSS score of 8.8 (HIGH). Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird <...
How severe is CVE-2024-7521?
CVE-2024-7521 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-7521?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.