CVE-2023-38709

HIGH

Published Apr 4, 2024 Modified Nov 4, 2025 CWE-1284

Description

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.

Is your site exposed to CVE-2023-38709?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.3

HIGH

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

Weakness Type (CWE)

CWE-1284 CWE-1284

Affected Products

Vendor	Product	Versions
apache	http_server	< 2.4.59
debian	debian_linux	All
fedoraproject	fedora	All
fedoraproject	fedora	All
fedoraproject	fedora	All
netapp	ontap	All
netapp	ontap_tools	All
broadcom	fabric_operating_system	All
apple	macos	< 14.6

References

Advisories & Patches

https://httpd.apache.org/security/vulnerabilities_24.html https://httpd.apache.org/security/vulnerabilities_24.html

Other References

http://seclists.org/fulldisclosure/2024/Jul/18 http://www.openwall.com/lists/oss-security/2024/04/04/3 https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html https://lists.fedoraproject.org/archives/list/[email protected]/message/I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF/ https://lists.fedoraproject.org/archives/list/[email protected]/message/LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ/ https://lists.fedoraproject.org/archives/list/[email protected]/message/WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC/ https://security.netapp.com/advisory/ntap-20240415-0013/ https://support.apple.com/kb/HT214119 http://seclists.org/fulldisclosure/2024/Jul/18 http://www.openwall.com/lists/oss-security/2024/04/04/3

Frequently Asked Questions

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2023-38709? +

CVE-2023-38709 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-38709? +

CVE-2023-38709 affects products from apache, apple, broadcom, debian, fedoraproject, netapp, specifically: debian_linux, fabric_operating_system, fedora, http_server, macos, ontap, ontap_tools. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-38709? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-43928

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the PayPalEmail payment adapter accepts PayPal …

CVE-2025-12385

Allocation of Resources Without Limits or Throttling, Improper Validation of Specified Quantity in Input vulnerability in The Qt Company Qt …

CVE-2025-54515

The Secure Flag passed to Versal™ Adaptive SoC’s Trusted Firmware for Cortex®-A processors (TF-A) for Arm’s Power State Coordination Interface …

CVE-2025-9316

N-central < 2025.4 can generate sessionIDs for unauthenticated users This issue affects N-central: before 2025.4.

CVE-2025-48507

The security state of the calling processor into Trusted Firmware (TF-A) is not used and could potentially allow non-secure processors …

CVE-2026-59252

Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to drain the fee-payer wallet, …

Quick Facts

CVSS Score: 7.3
Severity: HIGH
Published: Apr 4, 2024

Scan for this vulnerability

Check if your website or infrastructure is affected by CVE-2023-38709.

Website Scan Port Scan

Browse CVEs

Critical High CISA KEV ! Most likely exploited →