CVE-2026-28422

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.

Affected Platforms

Weakness Type

CWE-121

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