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No exploitation reportedFix available

CVE-2025-63938

No exploitation reported by the sources we read.

  • Published2025-11-26
  • WeaknessCWE-190

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2025-11-2617:15CVE publishedNVD

Versions per branch

NVD
Tinyproxy project tinyproxy
BranchAffectedFixed in
1.11≤ 1.11.2no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • tinyproxyUbuntu:Pro:22.04:LTSall versions · no fixed version listed
  • tinyproxyUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • tinyproxyUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • tinyproxyUbuntu:Pro:14.04:LTSall versions · no fixed version listed
  • tinyproxyUbuntu:26.10all versions · no fixed version listed
  • tinyproxyUbuntu:26.04:LTSall versions · no fixed version listed
  • tinyproxyUbuntu:25.10all versions · no fixed version listed
  • tinyproxyUbuntu:24.04:LTSall versions · no fixed version listed

4 more package ranges on OSV.dev

Vendor advisories

  • CVE-2025-63938 Red Hat Product Security

    tinyproxy: Tinyproxy integer overflow

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Published
2025-11-26
Last Modified
2026-11-04
NVD status
Analyzed
GitHub Advisory
GHSA-w547-jc37-w3cr

Frequently asked questions

What is CVE-2025-63938?

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

Is CVE-2025-63938 actively exploited?

Active exploitation of CVE-2025-63938 has not been confirmed. Its EPSS score was 0.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-63938?

CVE-2025-63938 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

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Sources for this record