CVE-2022-3134 Use After Free in vim/vim

High 7.8 Published 6 Sep 2022 Updated 3 Nov 2025

A use-after-free flaw in Vim allows attackers to potentially execute arbitrary code or cause a denial of service via crafted input.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2022-3134?

CVE-2022-3134 is a high-severity use after free vulnerability in Debian Debian Linux, published on 6 Sep 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Use After Free in GitHub repository vim/vim prior to 9.0.0389.

Weakness: CWE-416

Which versions are affected by CVE-2022-3134?

It affects 3 products.

Products include Debian Debian Linux, Neovim Neovim, Vim Vim.

How do I fix CVE-2022-3134?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-3134 being exploited?

There is no known exploitation of CVE-2022-3134 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2022-3134, AZL-10862, DEBIAN-CVE-2022-3134, GHSA-r737-66q7-488x, OESA-2022-1919, UBUNTU-CVE-2022-3134.