CVE intelligence

CVE-2023-38709

Vulnerability intelligence

Published Apr 4, 2024Sources checked Sep 30, 2026

7.3HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2023-38709 and is rated High severity with a CVSS score of 7.3. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

CBL-Mariner Releases

Vendor-listed releases

2.4.61-1
2.4.59-1

CISA KEVNot listedBased on the latest collected catalog

EPSS3.9%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2023-38709?

Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses. This issue affects Apache HTTP Server: through 2.4.58.