{"id":"UBUNTU-CVE-2023-38709","details":"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.","modified":"2026-01-30T00:47:30.552639Z","published":"2024-04-04T20:15:00Z","related":["USN-6729-1","USN-6729-2","USN-6729-3"],"upstream":["CVE-2023-38709"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38709"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2024/04/04/3"},{"type":"REPORT","url":"https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2023-38709"},{"type":"REPORT","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6729-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-38709"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6729-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6729-3"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.7-1ubuntu4.22+esm10?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.6-2ubuntu2","2.4.6-2ubuntu3","2.4.6-2ubuntu4","2.4.7-1ubuntu1","2.4.7-1ubuntu2","2.4.7-1ubuntu3","2.4.7-1ubuntu4","2.4.7-1ubuntu4.1","2.4.7-1ubuntu4.4","2.4.7-1ubuntu4.5","2.4.7-1ubuntu4.6","2.4.7-1ubuntu4.7","2.4.7-1ubuntu4.8","2.4.7-1ubuntu4.9","2.4.7-1ubuntu4.10","2.4.7-1ubuntu4.11","2.4.7-1ubuntu4.13","2.4.7-1ubuntu4.15","2.4.7-1ubuntu4.16","2.4.7-1ubuntu4.17","2.4.7-1ubuntu4.18","2.4.7-1ubuntu4.19","2.4.7-1ubuntu4.20","2.4.7-1ubuntu4.21","2.4.7-1ubuntu4.22","2.4.7-1ubuntu4.22+esm1","2.4.7-1ubuntu4.22+esm2","2.4.7-1ubuntu4.22+esm3","2.4.7-1ubuntu4.22+esm4","2.4.7-1ubuntu4.22+esm5","2.4.7-1ubuntu4.22+esm6","2.4.7-1ubuntu4.22+esm8","2.4.7-1ubuntu4.22+esm9","2.4.7-1ubuntu4.22+esm10"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-bin","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-data","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-dev","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-mpm-event","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-mpm-itk","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-mpm-prefork","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-mpm-worker","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-suexec","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2-utils","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"apache2.2-bin","binary_version":"2.4.7-1ubuntu4.22+esm10"},{"binary_name":"libapache2-mod-macro","binary_version":"1:2.4.7-1ubuntu4.22+esm10"},{"binary_name":"libapache2-mod-proxy-html","binary_version":"1:2.4.7-1ubuntu4.22+esm10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38709.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.18-2ubuntu3.17+esm12?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-2ubuntu3.17+esm12"}]}],"versions":["2.4.12-2ubuntu2","2.4.17-1ubuntu1","2.4.17-2ubuntu1","2.4.17-3ubuntu1","2.4.18-1ubuntu1","2.4.18-2ubuntu1","2.4.18-2ubuntu2","2.4.18-2ubuntu3","2.4.18-2ubuntu3.1","2.4.18-2ubuntu3.2","2.4.18-2ubuntu3.3","2.4.18-2ubuntu3.4","2.4.18-2ubuntu3.5","2.4.18-2ubuntu3.7","2.4.18-2ubuntu3.8","2.4.18-2ubuntu3.9","2.4.18-2ubuntu3.10","2.4.18-2ubuntu3.12","2.4.18-2ubuntu3.13","2.4.18-2ubuntu3.14","2.4.18-2ubuntu3.15","2.4.18-2ubuntu3.17","2.4.18-2ubuntu3.17+esm1","2.4.18-2ubuntu3.17+esm2","2.4.18-2ubuntu3.17+esm3","2.4.18-2ubuntu3.17+esm4","2.4.18-2ubuntu3.17+esm5","2.4.18-2ubuntu3.17+esm6","2.4.18-2ubuntu3.17+esm7","2.4.18-2ubuntu3.17+esm8","2.4.18-2ubuntu3.17+esm9","2.4.18-2ubuntu3.17+esm10","2.4.18-2ubuntu3.17+esm11"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.18-2ubuntu3.17+esm12"},{"binary_name":"apache2-bin","binary_version":"2.4.18-2ubuntu3.17+esm12"},{"binary_name":"apache2-data","binary_version":"2.4.18-2ubuntu3.17+esm12"},{"binary_name":"apache2-dev","binary_version":"2.4.18-2ubuntu3.17+esm12"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.18-2ubuntu3.17+esm12"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.18-2ubuntu3.17+esm12"},{"binary_name":"apache2-utils","binary_version":"2.4.18-2ubuntu3.17+esm12"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38709.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.27+esm2?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+esm2"}]}],"versions":["2.4.27-2ubuntu3","2.4.29-1ubuntu1","2.4.29-1ubuntu2","2.4.29-1ubuntu3","2.4.29-1ubuntu4","2.4.29-1ubuntu4.1","2.4.29-1ubuntu4.2","2.4.29-1ubuntu4.3","2.4.29-1ubuntu4.4","2.4.29-1ubuntu4.5","2.4.29-1ubuntu4.6","2.4.29-1ubuntu4.7","2.4.29-1ubuntu4.8","2.4.29-1ubuntu4.10","2.4.29-1ubuntu4.11","2.4.29-1ubuntu4.12","2.4.29-1ubuntu4.13","2.4.29-1ubuntu4.14","2.4.29-1ubuntu4.16","2.4.29-1ubuntu4.17","2.4.29-1ubuntu4.18","2.4.29-1ubuntu4.19","2.4.29-1ubuntu4.20","2.4.29-1ubuntu4.21","2.4.29-1ubuntu4.22","2.4.29-1ubuntu4.23","2.4.29-1ubuntu4.24","2.4.29-1ubuntu4.25","2.4.29-1ubuntu4.26","2.4.29-1ubuntu4.27","2.4.29-1ubuntu4.27+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.29-1ubuntu4.27+esm2"},{"binary_name":"apache2-bin","binary_version":"2.4.29-1ubuntu4.27+esm2"},{"binary_name":"apache2-data","binary_version":"2.4.29-1ubuntu4.27+esm2"},{"binary_name":"apache2-dev","binary_version":"2.4.29-1ubuntu4.27+esm2"},{"binary_name":"apache2-ssl-dev","binary_version":"2.4.29-1ubuntu4.27+esm2"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.29-1ubuntu4.27+esm2"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.29-1ubuntu4.27+esm2"},{"binary_name":"apache2-utils","binary_version":"2.4.29-1ubuntu4.27+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38709.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.17?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.17"}]}],"versions":["2.4.41-1ubuntu1","2.4.41-4ubuntu1","2.4.41-4ubuntu2","2.4.41-4ubuntu3","2.4.41-4ubuntu3.1","2.4.41-4ubuntu3.3","2.4.41-4ubuntu3.4","2.4.41-4ubuntu3.5","2.4.41-4ubuntu3.6","2.4.41-4ubuntu3.7","2.4.41-4ubuntu3.8","2.4.41-4ubuntu3.9","2.4.41-4ubuntu3.10","2.4.41-4ubuntu3.11","2.4.41-4ubuntu3.12","2.4.41-4ubuntu3.13","2.4.41-4ubuntu3.14","2.4.41-4ubuntu3.15","2.4.41-4ubuntu3.16"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.41-4ubuntu3.17"},{"binary_name":"apache2-bin","binary_version":"2.4.41-4ubuntu3.17"},{"binary_name":"apache2-data","binary_version":"2.4.41-4ubuntu3.17"},{"binary_name":"apache2-dev","binary_version":"2.4.41-4ubuntu3.17"},{"binary_name":"apache2-ssl-dev","binary_version":"2.4.41-4ubuntu3.17"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.41-4ubuntu3.17"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.41-4ubuntu3.17"},{"binary_name":"apache2-utils","binary_version":"2.4.41-4ubuntu3.17"},{"binary_name":"libapache2-mod-md","binary_version":"2.4.41-4ubuntu3.17"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.41-4ubuntu3.17"}],"availability":"No 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