Buffer Overflow Affecting vim-common package, versions <2:8.0.1763-13.el8_2.1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-RHEL8-VIMCOMMON-15966189
  • published10 Apr 2026
  • disclosed27 Feb 2026

Introduced: 27 Feb 2026

CVE-2026-28421  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade RHEL:8 vim-common to version 2:8.0.1763-13.el8_2.1 or higher.
This issue was patched in RHSA-2026:6730.

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. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentation fault (SEGV) exist in Vim's swap file recovery logic. Both are caused by unvalidated fields read from crafted pointer blocks within a swap file. Version 9.2.0077 fixes the issue.

CVSS Base Scores

version 3.1