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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (50.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Vim — versions < 9.0.2106
- Fedoraproject Fedora — versions 37, 38, 39
Weakness classification (CWE)
References
- github.com/vim/vim/security/advisories/GHSA-8g46-v9ff-c765 (Vendor Advisory)
- github.com/vim/vim/commit/25aabc2b8ee1e19ced6f4da9d866cf9378fc4c5a (Patch)
- www.openwall.com/lists/oss-security/2023/11/16/1 (Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
- security.netapp.com/advisory/ntap-20231227-0008/ (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.