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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (7.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Chaiscript
- Chaiscript — versions 6.0, 6.1.0
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/ChaiScript/ChaiScript/issues/634 (issue-tracking, Issue Tracking)
- github.com/ChaiScript/ChaiScript/issues/634 (issue-tracking, exploit, Issue Tracking)
- github.com/ChaiScript/ChaiScript/ (Product, product)
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.