CVE-2022-22747mediumCWE-295

CVE-2022-22747: medium-severity vulnerability in Mozilla Firefox

Published 22 Dec 2022 · Updated 16 Apr 2025

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.7%

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

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