CVE-2022-46872

Name: CVE-2022-46872
Creator: NVD / NIST
Published: 2022-12-22T20:15:45.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.77%

Last modified Jun 17, 2026

CVE-2022-46872 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. An attacker who compromised a content process could have partially escaped the sandbox to read arbitrary files via clipboard-related IPC messages.<br>*This bug only affects Thunderbird for Linux. Other operating systems are unaffected.*. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

Description

An attacker who compromised a content process could have partially escaped the sandbox to read arbitrary files via clipboard-related IPC messages.<br>*This bug only affects Thunderbird for Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 108, Firefox ESR < 102.6, and Thunderbird < 102.6.

Metrics

CVSS 3.1

8.6/10

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

EPSS Probability

0.77%

51.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 108.0
Mozilla	Firefox Esr	< 102.6
Mozilla	Thunderbird	< 102.6

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1799156Issue Tracking, Permissions Required, Vendor Advisory
https://security.gentoo.org/glsa/202305-06
https://security.gentoo.org/glsa/202305-13
https://www.mozilla.org/security/advisories/mfsa2022-51/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=1799156Issue Tracking, Permissions Required, Vendor Advisory
https://security.gentoo.org/glsa/202305-06
https://security.gentoo.org/glsa/202305-13
https://www.mozilla.org/security/advisories/mfsa2022-51/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-52/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-53/Vendor Advisory

Timeline

Published: Dec 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-46872?

How severe is CVE-2022-46872?

CVE-2022-46872 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46872?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-46872?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST