CVE-2023-1127 Divide By Zero in vim/vim

High 7.3 Published Updated

A divide by zero error in Vim allows attackers to cause a denial of service condition.

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

What is CVE-2023-1127?

CVE-2023-1127 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 1 Mar 2023. 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

Divide By Zero in GitHub repository vim/vim prior to 9.0.1367.

Weakness: CWE-369

Which versions are affected by CVE-2023-1127?

It affects 2 products.

Linux distribution packages (1)
vim openSUSE:TumbleweedAll versions9.0.1367-1.1

Products include Fedoraproject Fedora, Vim Vim.

How do I fix CVE-2023-1127?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-1127 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1127 exists.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as ALPINE-CVE-2023-1127, AZL-25320, BELL-CVE-2023-1127, DEBIAN-CVE-2023-1127, GHSA-wvg5-x3jq-vp4g, openSUSE-SU-2024:12751-1.

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