vulnerability
MFSA2022-02 Firefox: Security Vulnerabilities fixed in Firefox ESR 91.5 (CVE-2022-22747)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:N/A:C) | Jan 11, 2022 | Jan 12, 2022 | Feb 10, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
Jan 11, 2022
Added
Jan 12, 2022
Modified
Feb 10, 2026
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.
Solution
mozilla-firefox-esr-upgrade-91_5
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