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CVE-2022-22747

Date: December 21, 2022

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.

Severity Score

Related Resources (10)

https://bugzilla.mozilla.org/show_bug.cgi?id=1735028
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-22747
https://security.alpinelinux.org/vuln/CVE-2022-22747
https://nvd.nist.gov/vuln/detail/CVE-2022-22747
https://security-tracker.debian.org/tracker/CVE-2022-22747
https://access.redhat.com/security/cve/CVE-2022-22747
https://www.mozilla.org/security/advisories/mfsa2022-03/
https://www.mozilla.org/security/advisories/mfsa2022-02/
https://www.mozilla.org/security/advisories/mfsa2022-01/
https://www.mend.io/vulnerability-database/CVE-2022-22747

Severity Score

Weakness Type (CWE)

Improper Certificate Validation

CWE-295

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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