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CVE-2023-38434

HighPublished

xHTTP 72f812d has a double free in close_connection in xhttp.c via a malformed HTTP request method.

Published: Jul 18, 2023
Updated: Oct 28, 2024
Assigning CNA: mitre
Evidence observed: Aug 5, 2026

Primary CVSS

7.5/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

1.1%

Low · next 30 days

Percentile: 63.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

xHTTP 72f812d has a double free in close_connection in xhttp.c via a malformed HTTP request method.

Sources

CVE-2023-38434PoC
Proof of Concept for CVE-2023-38434

Responsible use

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