Buffer Overflow Affecting vim-common package, versions <2:8.0.1763-19.el8_6.5


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-RHEL8-VIMCOMMON-15966175
  • published10 Apr 2026
  • disclosed6 Feb 2026

Introduced: 6 Feb 2026

CVE-2026-25749  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade RHEL:8 vim-common to version 2:8.0.1763-19.el8_6.5 or higher.
This issue was patched in RHSA-2026:6731.

NVD Description

Note: Versions mentioned in the description apply only to the upstream vim-common package and not the vim-common package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1