CVE-2026-28419

Description

Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.

Affected Platforms

Weakness Type

CWE-124, CWE-125

References

• https://github.com/vim/vim/commit/9b7dfa2948c9e1e5e32a5812
• https://github.com/vim/vim/releases/tag/v9.2.0075
• https://github.com/vim/vim/security/advisories/GHSA-xcc8-r6c5-hvwv
• http://www.openwall.com/lists/oss-security/2026/02/27/8