Low severity · published Feb 27, 2026
CVE-2026-28422
Vim has stack-buffer-overflow in build_stl_str_hl()
2.2
CVSS
0.2%
EPSS
No
On KEV
Description
Vim is an open source, command line text editor. Prior to version 9.2.0078, a stack-buffer-overflow occurs in `build_stl_str_hl()` when rendering a statusline with a multi-byte fill character on a very wide terminal. Version 9.2.0078 patches the issue.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VI
vim · vim
< 9.2.0078 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28422
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28422
Patch
https://github.com/vim/vim/commit/4e5b9e31cb7484ad156f
Product
https://github.com/vim/vim/releases/tag/v9.2.0078
Patch
https://github.com/vim/vim/security/advisories/GHSA-gmqx-prf2-8mwf
Mailing List
http://www.openwall.com/lists/oss-security/2026/02/27/11
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