Vulnerability in Chaiscript

CVE-2026-3383

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.

EPSS: 0.002 (6.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3383?
CVE-2026-3383 is a low-severity vulnerability in Chaiscript, classified under Divide By Zero. CVSS score: 3.3/10. Published 2026-03-01.
How severe is CVE-2026-3383?
Low severity. CVSS v3 base score is 3.3 out of 10.