CVE-2023-38434

Name: CVE-2023-38434
Creator: NVD / NIST
Published: 2023-07-18T03:15:55.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.90%

Last modified Jun 17, 2026

CVE-2023-38434 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. xHTTP 72f812d has a double free in close_connection in xhttp.c via a malformed HTTP request method.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.90%

55.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Xhttp Project	Xhttp	All versions

References

https://github.com/cozis/xHTTP/issues/1Exploit, Issue Tracking, Third Party Advisory
https://github.com/cozis/xHTTP/issues/1Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jul 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38434?

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

How severe is CVE-2023-38434?

CVE-2023-38434 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38434?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-38434?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST