Use After Free in Vim
CVE-2023-48231
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.
Vulnerability class: Use-After-Free
EPSS: 0.007 (48.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L.
Affected products
- Vim — versions < 9.0.2106
- Fedoraproject Fedora — versions 37, 38, 39
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Mailing List)
- security-advisories@github.com (Mailing List, Third Party Advisory)
- security-advisories@github.com (Mailing List)
- security-advisories@github.com (Mailing List)
- security-advisories@github.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-48231?
- CVE-2023-48231 is a low-severity vulnerability in Vim, classified under Use After Free. CVSS score: 3.9/10. Published 2023-11-16.
- How severe is CVE-2023-48231?
- Low severity. CVSS v3 base score is 3.9 out of 10.