Critical Security Flaw in vim Packages: Arbitrary Command Execution Vulnerability
Summary
ALSA-2026:75768: Important: vim security update. Affects vim-X11 versions < 2:8.2.2637-26.el9_8.23. Fixed in 2:8.2.2637-26.el9_8.23. How to fix ↓
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Background
Vim (Vi IMproved) is a highly popular text editor that enhances the traditional vi editor with additional features and improvements. It is widely used for programming and text editing due to its efficiency and versatility. However, a recent security issue has been identified that allows for arbitrary command execution through a crafted tags file during C omni-completion, posing a significant 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 where Vim is running. The implications of this vulnerability are severe, as it could lead to unauthorized access, data breaches, or system compromise, especially in environments where Vim is used for sensitive tasks.
How To Fix
Minimum fixed version
2:8.2.2637-26.el9_8.23
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 in Vim until the package is updated to the fixed version. Additionally, users can restrict access to Vim in environments where the risk of exploitation is high.
Conclusion
The identified vulnerability in Vim poses a significant risk to users, allowing for arbitrary command execution through crafted tags files. It is crucial for users to update their packages to the patched version to ensure their systems remain secure. Awareness and prompt action are essential in mitigating the risks associated with this vulnerability.
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 during C omni-completion.
You can check if your version of Vim 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 in sensitive environments.
Yes, a patch is available. Users should update to version 2:8.2.2637-26.el9_8.23 to mitigate the vulnerability.
You can update your Vim packages by running the command 'sudo dnf update vim-X11 vim-common vim-enhanced vim-filesystem vim-minimal' in your terminal.
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