Integer Overflow or Wraparound Affecting tinyproxy/tinyproxy 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-TINYPROXYTINYPROXY-14135979
- published27 Nov 2025
- disclosed26 Nov 2025
- creditUnknown
Introduced: 26 Nov 2025
NewCVE-2025-63938 (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 Integer Overflow or Wraparound via the strip_return_port function in the reqs.c file. An attacker can cause a buffer overflow and potentially execute arbitrary code by sending specially crafted input that triggers an integer overflow.