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TI-2026-02919 Aliases CVE-2026-3383GHSA-4x4r-mq42-wwmf

ChaiScript boxed_number.hpp go divide by zero

Priority MEDIUM 55CWE-369Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-369.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00186 8th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—ChaiScript6.0; 6.1.0—No fix listedCNA
  • ChaiScript Vendor— Affected 6.0; 6.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:chaiscript:chaiscript:*:*:*:*:*:*:*:*up to 6.1.0VulnerableChaiscript
  • cpe:2.3:a:chaiscript:chaiscript:*:*:*:*:*:*:*:* Versions up to 6.1.0 Vulnerable ·Chaiscript

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3383
  2. 2026-10-03 Alias added: GHSA-4x4r-mq42-wwmf

References

Exploit 1

Other 2

  • TI-2026-02920 ChaiScript chaiscript_eval.hpp Function_Push_Pop recursion CVSS 4.0MEDIUM 4.8
  • TI-2026-02918 ChaiScript boxed_number.hpp get_as memory corruption CVSS 4.0MEDIUM 4.8
  • TI-2026-02268 ChaiScript type_info.hpp bare_equal use after free CVSS 4.0LOW 2.0
  • TI-2026-02267 ChaiScript chaiscript_defines.hpp operator use after free CVSS 4.0LOW 2.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences