CVE-2022-3256 Use After Free in vim/vim
A use-after-free vulnerability in Vim allows attackers to execute arbitrary code or cause a denial of service via crafted files.
- 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-2022-3256?
CVE-2022-3256 is a high-severity use after free vulnerability in Debian Debian Linux, published on 22 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 9.0.0530.
Weakness: CWE-416
Which versions are affected by CVE-2022-3256?
It affects 4 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Neovim Neovim, Vim Vim.
How do I fix CVE-2022-3256?
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-2022-3256 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3256 exists.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2022-3256, AZL-11003, CLSA-2022-1664475299, CLSA-2022-1664475636, CLSA-2022-1664476383, DEBIAN-CVE-2022-3256 and 2 more.