CVE-2026-3383 ChaiScript boxed_number.hpp go divide by zero
A divide-by-zero error in ChaiScript allows local attackers to cause a denial of service via crafted manipulations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3383?
CVE-2026-3383 is a medium-severity denial of service vulnerability in ChaiScript, published on 1 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A weakness has been identified in ChaiScript up to 6.1.0. This affects the function chaiscript::Boxed_Number::go of the file include/chaiscript/dispatchkit/boxed_number.hpp. Executing a manipulation can lead to divide by zero. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-3383?
It affects 1 product.
Products include Chaiscript Chaiscript.
How do I fix CVE-2026-3383?
No fix has been published for CVE-2026-3383 yet. Limit exposure of the affected software until one is available.
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-2026-3383 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3383 exists.
Other vulnerabilities in ChaiScript
Sources
Also known as GHSA-4x4r-mq42-wwmf.