CVE-2026-28422

Vim has stack-buffer-overflow in build_stl_str_hl()

CVSS 2.2 LOWEPSS 0.1%CWE-121

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 2.2EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

27 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

vim · vim

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References

https://github.com/vim/vim/commit/4e5b9e31cb7484ad156f https://github.com/vim/vim/releases/tag/v9.2.0078 https://github.com/vim/vim/security/advisories/GHSA-gmqx-prf2-8mwf http://www.openwall.com/lists/oss-security/2026/02/27/11