CVE-2022-22747

Description

After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox ESR
Affected: Mozilla Firefox
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
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=1735028 vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2022-22747?
CVE-2022-22747 has been scored as a medium severity vulnerability.
How to fix CVE-2022-22747?
To fix CVE-2022-22747, 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-2022-22747 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-22747 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-2022-22747?
CVE-2022-22747 affects Mozilla Firefox ESR, Mozilla Firefox, Mozilla Thunderbird.
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