Heap-based Buffer Overflow Affecting vim-filesystem package, versions <2:8.0.1763-31.0.1.el8_10.7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.19% (8th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ORACLE8-VIMFILESYSTEM-19687761
  • published11 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 Oracle:8 vim-filesystem to version 2:8.0.1763-31.0.1.el8_10.7 or higher.
This issue was patched in ELSA-2026-66348-0.

NVD Description

Note: Versions mentioned in the description apply only to the upstream vim-filesystem package and not the vim-filesystem package as distributed by Oracle. See How to fix? for Oracle: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