Integer Overflow in Tinyproxy Affects User Privacy and Security
CVE-2025-63938

6.5MEDIUM

Key Information:

Vendor

Tinyproxy

Status
Tinyproxy
Vendor
CVE Published:
26 November 2025

What is CVE-2025-63938?

The integer overflow vulnerability in Tinyproxy occurs in the strip_return_port() function within src/reqs.c. This flaw may allow attackers to manipulate request handling, potentially compromising user privacy and enabling unauthorized access to sensitive information. It's crucial for users and administrators relying on Tinyproxy to apply mitigations and stay informed of any updates addressing this security issue.

References

https://github.com/tinyproxy/tinyproxy/issues/586
https://github.com/tinyproxy/tinyproxy/commit/3c0fde94981...
https://github.com/rayinaw/my-hub/blob/main/CVE-2025-6393...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.