CVE-2022-46880 — MEDIUM (6.5)

Vulnerability 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 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mozilla	Firefox	< 105.0
Mozilla	Firefox Esr	< 102.6
Mozilla	Thunderbird	< 102.6

Related Weaknesses (CWE)

CWE-416

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1749292Issue TrackingPermissions 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 TrackingPermissions 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

FAQ

What is CVE-2022-46880?

CVE-2022-46880 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 im...

How severe is CVE-2022-46880?

CVE-2022-46880 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-46880?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.