CVE-2022-38476

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-36/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-34/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1760998 issue tracking permissions required vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-38476?
CVE-2022-38476 has been scored as a high severity vulnerability.
How to fix CVE-2022-38476?
To fix CVE-2022-38476, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-38476 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-38476 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-38476?
CVE-2022-38476 affects Mozilla Firefox ESR, Mozilla Thunderbird.
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