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CVE-2022-46880

Date: December 22, 2022

A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.<br />*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects Firefox ESR < 102.6, Firefox < 105, and Thunderbird < 102.6.

Severity Score

Related Resources (10)

https://bugzilla.mozilla.org/show_bug.cgi?id=1749292
https://security.gentoo.org/glsa/202305-06
https://nvd.nist.gov/vuln/detail/CVE-2022-46880
https://access.redhat.com/security/cve/CVE-2022-46880
https://www.mozilla.org/security/advisories/mfsa2022-53/
https://www.mozilla.org/security/advisories/mfsa2022-52/
https://www.mozilla.org/security/advisories/mfsa2022-40/
https://security-tracker.debian.org/tracker/CVE-2022-46880
https://security.gentoo.org/glsa/202305-13
https://www.mend.io/vulnerability-database/CVE-2022-46880

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

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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