CVE-2023-38709
Apache HTTP Server: HTTP response splitting
At a glance
- Severity
- HIGH 7.3
- EPSS
- EPSS 3.91 % · percentile 90 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- apache
- NVD status
- Modified
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.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L | CISA-ADP |
| CVSS 3.1 | HIGH 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2023-42484
- GCVE · GCVE-0-2023-38709
CERT-FR advisories
- CERTFR-2025-AVI-0158 — Multiples vulnérabilités dans les produits NetApp · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0634 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0475 — Multiples vulnérabilités dans Tenable Security Center · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0274 — Multiples vulnérabilités dans Apache HTTP Server · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*< 2.4.59cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:*cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:*cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*< 14.6
Affected products
| Product | Versions |
|---|---|
| Apache Software Foundation · Apache HTTP Server | affected 0 ≤ 2.4.58 |
References
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://security.netapp.com/advisory/ntap-20240415-0013/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC/
- http://www.openwall.com/lists/oss-security/2024/04/04/3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ/
- https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
- https://support.apple.com/kb/HT214119
- http://seclists.org/fulldisclosure/2024/Jul/18
- http://www.openwall.com/lists/oss-security/2025/07/10/2
- http://www.openwall.com/lists/oss-security/2025/07/10/3
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |