CVE-2023-38709
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- v3.1•MEDIUM•Score: 6.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
EPSS Trends
Current EPSS score: 3.91%• Percentile: 90%
Techniques & Countermeasures
- CWE-1284•Improper Validation of Specified Quantity in Input
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
Affected Systems
- apache software foundation•apache http server
≤ 2.4.58
- apache•http_server
< 2.4.59
- alpine•apache2
< 2.4.59-r0 | < 2.4.59-r0 | < 2.4.59-r0 | < 2.4.59-r0 | < 2.4.59-r0 | < 2.4.59-r0 | < 2.4.59-r0 | < 2.4.59-r0 | < 2.4.59-r0
- apple•macos
< 14.6
- broadcom•fabric_operating_system
na
- debian•apache2
< 2.4.59-1~deb11u1 | < 2.4.59-1~deb12u1 | < 2.4.59-1 | < 2.4.59-1
- debian•debian_linux
10.0
- fedoraproject•fedora
38 | 39 | 40
- netapp•ontap
9
- netapp•ontap_tools
10
- redhat•httpd
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•httpd-debuginfo
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•httpd-debugsource
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•httpd-devel
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•httpd-filesystem
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•httpd-manual
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•httpd-tools
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•httpd-tools-debuginfo
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•mod_http2
< 0:1.15.7-10.module+el8.10.0+21653+eaff63f0
- redhat•mod_http2-debuginfo
< 0:1.15.7-10.module+el8.10.0+21653+eaff63f0
- redhat•mod_http2-debugsource
< 0:1.15.7-10.module+el8.10.0+21653+eaff63f0
- redhat•mod_ldap
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•mod_ldap-debuginfo
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•mod_md
< 1:2.0.8-8.module+el8.9.0+19080+567b90f8
- redhat•mod_md-debuginfo
< 1:2.0.8-8.module+el8.9.0+19080+567b90f8
- redhat•mod_md-debugsource
< 1:2.0.8-8.module+el8.9.0+19080+567b90f8
- redhat•mod_proxy_html
< 1:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•mod_proxy_html-debuginfo
< 1:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•mod_session
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•mod_session-debuginfo
< 0:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•mod_ssl
< 1:2.4.37-65.module+el8.10.0+21982+14717793
- redhat•mod_ssl-debuginfo
< 1:2.4.37-65.module+el8.10.0+21982+14717793
References (21)
- 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
- https://security.alpinelinux.org/vuln/CVE-2023-38709
- https://access.redhat.com/errata/RHSA-2024:4197
- https://access.redhat.com/security/updates/classification/#moderate
- https://bugzilla.redhat.com/show_bug.cgi?id=2273491
- https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_4197.json
- https://access.redhat.com/security/cve/CVE-2023-38709
- https://www.cve.org/CVERecord?id=CVE-2023-38709
- https://nvd.nist.gov/vuln/detail/CVE-2023-38709
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2023-38709
- https://security-tracker.debian.org/tracker/CVE-2023-38709