Buffer Overflow Affecting smallbasic/SmallBASIC package, versions [0,]
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-UNMANAGED-SMALLBASICSMALLBASIC-14176050
- published4 Dec 2025
- disclosed3 Dec 2025
- creditCh1keen
Introduced: 3 Dec 2025
NewCVE-2025-50361 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Buffer Overflow via the strcpy function, which does not verify how many bytes are being copied. An attacker can cause a crash or obtain sensitive information by providing specially crafted input that triggers a buffer overflow.
PoC
Build the SmallBASIC project, then run:
src/platform/sdl/sbasicg $(python -c 'print("a"*1024)')