CVE-2022-22747

State: Published
Severity: 6.5 Medium
Published: Dec 22, 2022
Updated: Apr 16, 2025
Reserved: Jan 7, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-295 Improper Certificate Validation

Affected Products

Product	Versions
Firefox ESRMozilla	before 91.5Affected
FirefoxMozilla	before 96Affected
ThunderbirdMozilla	before 91.5Affected

References

https://www.mozilla.org/security/advisories/mfsa2022-01/
https://www.mozilla.org/security/advisories/mfsa2022-02/
https://www.mozilla.org/security/advisories/mfsa2022-03/
https://bugzilla.mozilla.org/show_bug.cgi?id=1735028

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