Vulnerability Description
Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 96.0 |
| Mozilla | Firefox Esr | < 91.5 |
| Mozilla | Thunderbird | < 91.5 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1742334ExploitIssue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-03/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1742334ExploitIssue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-03/Vendor Advisory
FAQ
What is CVE-2022-22740?
CVE-2022-22740 is a vulnerability with a CVSS score of 8.8 (HIGH). Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affec...
How severe is CVE-2022-22740?
CVE-2022-22740 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-2022-22740?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.