CVE-2026-28422

low-risk
Published 2026-02-27

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.

Do I need to act?

-
0.01% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
2
CVSS 2.2/10 Low
LOCAL / HIGH complexity

Affected Products (1)

Vim

Affected Vendors

Vim

References (4)

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
11
/ 100
low-risk
Severity 6/34 · Minimal
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal