CVE-2022-2124 Buffer Over-read in vim/vim

High 7.8 Published 19 Jun 2022 Updated 8 Oct 2026

A buffer over-read in Vim allows attackers to cause a denial of service or disclose sensitive memory contents 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-2022-2124?

CVE-2022-2124 is a high-severity memory corruption vulnerability in Apple Macos, published on 19 Jun 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

Buffer Over-read in GitHub repository vim/vim prior to 8.2.

Weakness: CWE-125, CWE-126

Which versions are affected by CVE-2022-2124?

It affects 4 products.

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

How do I fix CVE-2022-2124?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-2124 being exploited?

There is no known exploitation of CVE-2022-2124 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as ALPINE-CVE-2022-2124, AZL-9931, DEBIAN-CVE-2022-2124, GHSA-2mhg-3m7f-9876, OESA-2022-1731, UBUNTU-CVE-2022-2124.