Vulnerability Description
A data race could occur in the <code>PK11_ChangePW</code> function, potentially leading to a use-after-free vulnerability. In Firefox, this lock protected the data when a user changed their master password. This vulnerability affects Firefox ESR < 102.2 and Thunderbird < 102.2.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox Esr | < 102.2 |
| Mozilla | Thunderbird | < 102.2 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1760998Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-34/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-36/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1760998Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-34/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-36/Vendor Advisory
FAQ
What is CVE-2022-38476?
CVE-2022-38476 is a vulnerability with a CVSS score of 7.5 (HIGH). A data race could occur in the <code>PK11_ChangePW</code> function, potentially leading to a use-after-free vulnerability. In Firefox, this lock protected the data when a user changed their master pas...
How severe is CVE-2022-38476?
CVE-2022-38476 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-38476?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox Esr, Mozilla Thunderbird.