CVEvulnerability

CVE-2026-25749

6.6 MEDIUM Published 2026-02-06 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-02-06
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.6 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
Weaknesses
CWE-122

Description

Vim is an open source, command line text editor. Prior to version 9.1.2132, a heap buffer overflow vulnerability exists in Vim's tag file resolution logic when processing the 'helpfile' option. The vulnerability is located in the get_tagfname() function in src/tag.c. When processing help file tags, Vim copies the user-controlled 'helpfile' option value into a fixed-size heap buffer of MAXPATHL + 1 bytes (typically 4097 bytes) using an unsafe STRCPY() operation without any bounds checking. This issue has been patched in version 9.1.2132.

Affected configurations

• neovim neovim (<= 0.11.6) • vim vim (< 9.1.2132)

Related

Weakness · CWE (1)

  • CWE-122 Heap-based Buffer Overflow weakness

References