Vulnerability Description
If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 107.0 |
| Mozilla | Firefox Esr | < 102.5 |
| Mozilla | Thunderbird | < 102.5 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1791975Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-47/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-48/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-49/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1791975Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-47/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-48/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-49/Vendor Advisory
FAQ
What is CVE-2022-45406?
CVE-2022-45406 is a vulnerability with a CVSS score of 9.8 (CRITICAL). If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing ...
How severe is CVE-2022-45406?
CVE-2022-45406 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2022-45406?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.