Heap-based Buffer Overflow Affecting vim-enhanced-debuginfo package, versions <2:8.0.1763-31.el8_10.7


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.19% (8th percentile)

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  • Snyk IDSNYK-ROCKY8-VIMENHANCEDDEBUGINFO-19691954
  • published12 Sept 2026
  • disclosed27 Feb 2026

Introduced: 27 Feb 2026

CVE-2026-28420  (opens in a new tab)
CWE-122  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 vim-enhanced-debuginfo to version 2:8.0.1763-31.el8_10.7 or higher.
This issue was patched in RLSA-2026:66348.

NVD Description

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

Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.

CVSS Base Scores

version 3.1