CVE-2022-2345 Use After Free in vim/vim

High 7.8 Published 8 Jul 2022 Updated 8 Oct 2026

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

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-2022-2345?

CVE-2022-2345 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 8 Jul 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 9.0.0046.

Weakness: CWE-416

Which versions are affected by CVE-2022-2345?

It affects 2 products.

Products include Fedoraproject Fedora, Vim Vim.

How do I fix CVE-2022-2345?

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-2022-2345 being exploited?

There is no known exploitation of CVE-2022-2345 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as AZL-10112, DEBIAN-CVE-2022-2345, GHSA-4p2w-r4hm-wg7f, UBUNTU-CVE-2022-2345.