{"id":"UBUNTU-CVE-2024-36387","details":"Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance.","modified":"2026-04-22T14:53:54.749699Z","published":"2024-07-01T19:15:00Z","related":["USN-6885-1"],"upstream":["CVE-2024-36387"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-36387"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-36387"},{"type":"REPORT","url":"https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-36387"},{"type":"REPORT","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6885-1"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.19?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.19"}]}],"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","2.4.41-4ubuntu3.17"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.41-4ubuntu3.19"},{"binary_name":"apache2-bin","binary_version":"2.4.41-4ubuntu3.19"},{"binary_name":"apache2-data","binary_version":"2.4.41-4ubuntu3.19"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.41-4ubuntu3.19"},{"binary_version":"2.4.41-4ubuntu3.19","binary_name":"apache2-suexec-pristine"},{"binary_name":"apache2-utils","binary_version":"2.4.41-4ubuntu3.19"},{"binary_name":"libapache2-mod-md","binary_version":"2.4.41-4ubuntu3.19"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.41-4ubuntu3.19"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-36387.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.10?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.52-1ubuntu4.10"}]}],"versions":["2.4.48-3.1ubuntu3","2.4.48-3.1ubuntu4","2.4.51-2ubuntu1","2.4.52-1ubuntu1","2.4.52-1ubuntu2","2.4.52-1ubuntu4","2.4.52-1ubuntu4.1","2.4.52-1ubuntu4.2","2.4.52-1ubuntu4.3","2.4.52-1ubuntu4.4","2.4.52-1ubuntu4.5","2.4.52-1ubuntu4.6","2.4.52-1ubuntu4.7","2.4.52-1ubuntu4.8","2.4.52-1ubuntu4.9"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"apache2","binary_version":"2.4.52-1ubuntu4.10"},{"binary_name":"apache2-bin","binary_version":"2.4.52-1ubuntu4.10"},{"binary_name":"apache2-data","binary_version":"2.4.52-1ubuntu4.10"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.52-1ubuntu4.10"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.52-1ubuntu4.10"},{"binary_version":"2.4.52-1ubuntu4.10","binary_name":"apache2-utils"},{"binary_version":"2.4.52-1ubuntu4.10","binary_name":"libapache2-mod-md"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.52-1ubuntu4.10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-36387.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.58-1ubuntu8.2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.58-1ubuntu8.2"}]}],"versions":["2.4.57-2ubuntu2","2.4.57-2ubuntu3","2.4.58-1ubuntu1","2.4.58-1ubuntu2","2.4.58-1ubuntu6","2.4.58-1ubuntu7","2.4.58-1ubuntu8","2.4.58-1ubuntu8.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.4.58-1ubuntu8.2","binary_name":"apache2"},{"binary_name":"apache2-bin","binary_version":"2.4.58-1ubuntu8.2"},{"binary_version":"2.4.58-1ubuntu8.2","binary_name":"apache2-data"},{"binary_version":"2.4.58-1ubuntu8.2","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.58-1ubuntu8.2","binary_name":"apache2-suexec-pristine"},{"binary_name":"apache2-utils","binary_version":"2.4.58-1ubuntu8.2"},{"binary_name":"libapache2-mod-md","binary_version":"2.4.58-1ubuntu8.2"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.58-1ubuntu8.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-36387.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}