CVE-2026-3383
CVE-2026-3383 is a low-severity vulnerability in Chaiscript with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-369.
Key facts
- Severity: Low (CVSS 3.x base score 3.3)
- CVSS v2: 1.7
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (6th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-9118
- Weakness: CWE-369
- Affected product: Chaiscript
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-3383?
- CVE-2026-3383 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2026-3383 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-3383?
- CVE-2026-3383 affects Chaiscript. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-3383?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-3383 have an EU (EUVD) identifier?
- Yes. CVE-2026-3383 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9118.
- When was CVE-2026-3383 published?
- CVE-2026-3383 was published on 2026-03-01 and last updated on 2026-06-17.
References
- https://github.com/ChaiScript/ChaiScript/
- https://github.com/ChaiScript/ChaiScript/issues/634
- https://github.com/ChaiScript/ChaiScript/issues/634#issue-3828234470
- https://vuldb.com/?ctiid.348269
- https://vuldb.com/?id.348269
- https://vuldb.com/?submit.761302
Affected products (1)
- cpe:2.3:a:chaiscript:chaiscript:*:*:*:*:*:*:*:*
More vulnerabilities in Chaiscript
- CVE-2026-3384 — Low (CVSS 3.3): A security vulnerability has been detected in ChaiScript up to 6.1.0. This impacts the function…
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- CVE-2026-2656 — Low (CVSS 2.5): A flaw has been found in ChaiScript up to 6.1.0. This affects the function chaiscript::Type_Info::bare_equal of the…
- CVE-2026-2655 — Low (CVSS 2.5): A vulnerability was detected in ChaiScript up to 6.1.0. The impacted element is the function…
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