Divide by Zero Vulnerability in ChaiScript Affected by Local Access Exploits
CVE-2026-3383

4.8MEDIUM

Key Information:

Vendor

ChaiScript

Status
Chaiscript
Vendor
CVE Published:
1 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3383?

A vulnerability has been identified in ChaiScript versions up to 6.1.0, specifically within the function chaiscript::Boxed_Number::go located in the file include/chaiscript/dispatchkit/boxed_number.hpp. This weakness allows an attacker with local access to manipulate parameters, potentially leading to a divide by zero situation, which could compromise the software’s integrity. Despite an early issue report having been filed, there has been no official response from the project team. The exploit methodology has been made publicly available, highlighting the urgency for users to assess their installations and implement protective measures.

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Affected Version(s)

ChaiScript 6.0

ChaiScript 6.1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3383 - Proof of Concept

References

https://vuldb.com/?id.348269
vdb-entrytechnical-description
https://vuldb.com/?ctiid.348269
signaturepermissions-required
https://vuldb.com/?submit.761302
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Oneafter (VulDB User)
JSON
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