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Vulnerability record · CVE-2025-63938 · published 26 November 2025

CVE-2025-63938: Tinyproxy project tinyproxy integer overflow vulnerability

TTinyproxy Project · Tinyproxy

Tinyproxy through 1.11.2 contains an integer overflow vulnerability in the strip_return_port() function within src/reqs.c.

6.5 CVSS 3.1 Medium EPSS 0.26% · top 83.9% CWE-190 · Integer overflow
6.5CVSS 3.1 base score
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Tinyproxy through 1.11.2 contains an integer overflow vulnerability in the strip_return_port() function within src/reqs.c.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/rayinaw/my-hub/blob/main/CVE-2025-63938/DISCLOSURE.md Third Party Advisory
https://github.com/tinyproxy/tinyproxy/commit/3c0fde94981b025271ffa1788ae425257841bf5a Patch
https://github.com/tinyproxy/tinyproxy/issues/586 ExploitIssue TrackingPatch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-63938), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.