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CVE-2022-28281

Date: December 22, 2022

If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2022-28281
https://security-tracker.debian.org/tracker/CVE-2022-28281
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-28281
https://security.alpinelinux.org/vuln/CVE-2022-28281
https://access.redhat.com/security/cve/CVE-2022-28281
https://www.mozilla.org/security/advisories/mfsa2022-15/
https://www.mozilla.org/security/advisories/mfsa2022-14/
https://www.mozilla.org/security/advisories/mfsa2022-13/
https://bugzilla.mozilla.org/show_bug.cgi?id=1755621
https://www.mend.io/vulnerability-database/CVE-2022-28281

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

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): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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