CVE-2026-28419

Summary

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 Software

Weaknesses

• CWE-124: CWE-124: Buffer Underwrite ('Buffer Underflow')
• CWE-125: CWE-125: Out-of-bounds Read

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/02/27/8

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/vim/vim/security/advisories/GHSA-xcc8-r6c5-hvwv
• https://github.com/vim/vim/commit/9b7dfa2948c9e1e5e32a5812
• https://github.com/vim/vim/releases/tag/v9.2.0075

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