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CVE-2026-28418

Vim has Heap-based Buffer Overflow in Emacs tags parsing

Published: 2/27/2026 Last updated: 3/2/2026 Reserved: 2/27/2026

Vim is an open source, command line text editor. Prior to version 9.2.0074, a heap-based buffer overflow out-of-bounds read exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file, Vim can be tricked into reading up to 7 bytes beyond the allocated memory boundary. Version 9.2.0074 fixes the issue.

CNA assigner: GitHub_M (a0819718-46f1-4df5-94e2-005712e83aaa) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 4.4 Medium CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Opam packages affected (1)

conf-vim

Products affected (2)

Product Vendor Version
vim vim 103
vim vim < 6.1.7601.27219

References (8)