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Fedora 43 VIM Major Security Update CVE-2026-25749 Code Execution Risk

fedora
Calendar Grey February 18, 2026
Dist Fedora Esm H88
Critical security advisory for Fedora 43 addressing CVE-2026-25749 in vim. Follow update instructions.
patchlevel 2146 Security fix for CVE-2026-25749

Summary

VIM (VIsual editor iMproved) is an updated and improved version of the

vi editor. Vi was the first real screen-based editor for UNIX, and is

still very popular. VIM improves on vi by adding new features:

multiple windows, multi-level undo, block highlighting and more.

Update Information:

patchlevel 2146 Security fix for CVE-2026-25749

Topics%20covered

Topics Covered

security advisory fedora arbitrary code execution important vim cve-2026-25749

Change Log

* Fri Feb 13 2026 Zdenek Dohnal - 2:9.1.2146-1 - patchlevel 2146

References


[ 1 ] Bug #2437843 - CVE-2026-25749 vim: Vim: Arbitrary code execution via 'helpfile' option processing https://bugzilla.redhat.com/show_bug.cgi?id=2437843

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-7eda235f65' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
High
Critical

Name: vim
Product: Fedora 43
Version: 9.1.2146
Release: 1.fc43
URL: https://www.vim.org/
Summary: The VIM editor

Topics%20covered

Topics Covered

security advisory fedora arbitrary code execution important vim cve-2026-25749

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