Critical Security Flaw in Vim Packages: Arbitrary Command Execution Vulnerability
Summary
ALSA-2026:75769: Important: vim security update. Affects vim-X11 versions < 2:9.1.083-9.el10_2.22. Fixed in 2:9.1.083-9.el10_2.22. How to fix ↓
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Background
Vim (Vi IMproved) is a widely used text editor that enhances the traditional vi editor with additional features and improvements. It is popular among developers and system administrators for its efficiency and versatility. However, a recent vulnerability has been identified that allows for arbitrary command execution through crafted tags files during C omni-completion, posing a significant security risk to users.
Vulnerability Detail
The vulnerability, identified as CVE-2026-73073, arises from improper handling of crafted tags files in Vim's C omni-completion feature. This flaw can be exploited by an attacker to execute arbitrary commands on the system, potentially leading to unauthorized access, data breaches, or system compromise. The risk is particularly high for users who utilize Vim for programming or development tasks, as they may inadvertently trigger the vulnerability while working with maliciously crafted files.
How To Fix
Minimum fixed version
2:9.1.083-9.el10_2.22
This is the first release that contains the fix.
sudo dnf update vim-X11Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users are advised to avoid using the C omni-completion feature with tags files until the update has been applied. Additionally, users can restrict access to Vim or limit its usage in sensitive environments until the vulnerability is resolved.
Conclusion
The discovery of CVE-2026-73073 in Vim packages highlights a critical security vulnerability that can lead to arbitrary command execution. Users are strongly encouraged to update their installations to the patched version to safeguard their systems. For those unable to update immediately, implementing workarounds is advisable until the update can be applied.
See every vulnerability recorded for vim-X11 →
FAQ
CVE-2026-73073 is a security vulnerability in Vim that allows for arbitrary command execution via crafted tags files in C omni-completion.
You can check if your Vim installation is affected by using tools like Vulert, which monitors open-source vulnerabilities in your software.
The risks include unauthorized command execution, potential data breaches, and system compromise, especially for users working with untrusted files.
Yes, a patch is available in version 2:9.1.083-9.el10_2.22. Users should update their Vim packages to this version to mitigate the risk.
If you cannot update immediately, avoid using the C omni-completion feature with tags files and limit Vim's usage in sensitive environments.
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