CVE-2023-48231

Name: CVE-2023-48231
Creator: NVD / NIST
Published: 2023-11-16T23:15:08.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.67%

Last modified Jun 23, 2026

CVE-2023-48231 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Vim is an open source command line text editor. When closing a window, vim may try to access already freed window structure. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

Vim is an open source command line text editor. When closing a window, vim may try to access already freed window structure. Exploitation beyond crashing the application has not been shown to be viable. This issue has been addressed in commit `25aabc2b` which has been included in release version 9.0.2106. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.67%

47.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Vim	Vim	< 9.0.2106
Fedoraproject	Fedora	37
Fedoraproject	Fedora	38
Fedoraproject	Fedora	39

References

http://www.openwall.com/lists/oss-security/2023/11/16/1Mailing List
https://github.com/vim/vim/commit/25aabc2b8ee1e19ced6f4da9d866cf9378fc4c5aPatch
https://github.com/vim/vim/security/advisories/GHSA-8g46-v9ff-c765Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4UJAK2W5S7G75ETDAEM3BDUCVSXCEGRD/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M3VQF7CL3V6FGSEW37WNDFBRRILR65AK/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VNRNYLWXZOGTYWE5HMFNQ5FVE3HBUHF6/Mailing List
https://security.netapp.com/advisory/ntap-20231227-0008/Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/11/16/1Mailing List
https://github.com/vim/vim/commit/25aabc2b8ee1e19ced6f4da9d866cf9378fc4c5aPatch
https://github.com/vim/vim/security/advisories/GHSA-8g46-v9ff-c765Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4UJAK2W5S7G75ETDAEM3BDUCVSXCEGRD/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M3VQF7CL3V6FGSEW37WNDFBRRILR65AK/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VNRNYLWXZOGTYWE5HMFNQ5FVE3HBUHF6/Mailing List
https://security.netapp.com/advisory/ntap-20231227-0008/Third Party Advisory

Timeline

Published: Nov 16, 2023
Last Modified: Jun 23, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-48231?

How severe is CVE-2023-48231?

CVE-2023-48231 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2023-48231?

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-2023-48231?

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

Scan your code now

Source: NVD / NIST