CVE-2023-48234 overflow in nv_z_get_count in vim
An integer overflow in Vim's count handling for normal mode commands can cause a crash, requiring user interaction to exploit.
- 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-2023-48234?
CVE-2023-48234 is a low-severity vulnerability in Fedoraproject Fedora, published on 16 Nov 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
Vim is an open source command line text editor. When getting the count for a normal mode z command, it may overflow for large counts given. Impact is low, user interaction is required and a crash may not even happen in all situations. This issue has been addressed in commit `58f9befca1` which has been included in release version 9.0.2109. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-190
Which versions are affected by CVE-2023-48234?
It affects 2 products.
Products include Fedoraproject Fedora, Vim Vim.
How do I fix CVE-2023-48234?
Upgrade to a fixed version.
Is CVE-2023-48234 being exploited?
There is no known exploitation of CVE-2023-48234 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as AZL-32027, BELL-CVE-2023-48234, DEBIAN-CVE-2023-48234, ECHO-d2d3-0f03-aa55, GHSA-59gw-c949-6phq, ROOT-OS-ALPINE-318-CVE-2023-48234 and 1 more.