CVE-2022-46880
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.
Does this matter?
Lower severity and a low EPSS score (0.65%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.65% probability · 49th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1749292Issue Tracking, Permissions Required
- https://security.gentoo.org/glsa/202305-06
- https://security.gentoo.org/glsa/202305-13
- https://www.mozilla.org/security/advisories/mfsa2022-40/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-52/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-53/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1749292Issue Tracking, Permissions Required
- https://security.gentoo.org/glsa/202305-06
- https://security.gentoo.org/glsa/202305-13
- https://www.mozilla.org/security/advisories/mfsa2022-40/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-52/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-53/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.