CVE-2022-0443 Use After Free in vim/vim

What is CVE-2022-0443?

CVE-2022-0443 is a high-severity use after free vulnerability in Debian Debian Linux, published on 2 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use After Free in GitHub repository vim/vim prior to 8.2.

Weakness: CWE-416

Which versions are affected by CVE-2022-0443?

It affects 3 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Vim Vim.

How do I fix CVE-2022-0443?

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-2022-0443 being exploited?

There is no known exploitation of CVE-2022-0443 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2022-0443, AZL-8462, DEBIAN-CVE-2022-0443, GHSA-qfh8-x72v-whwp, UBUNTU-CVE-2022-0443.