{"id":"USN-6506-1","summary":"apache2 vulnerabilities","details":"David Shoon discovered that the Apache HTTP Server mod_macro module\nincorrectly handled certain memory operations. A remote attacker could\npossibly use this issue to cause the server to crash, resulting in a denial\nof service. (CVE-2023-31122)\n\nProf. Sven Dietrich, Isa Jafarov, Prof. Heejo Lee, and Choongin Lee\ndiscovered that the Apache HTTP Server incorrectly handled certain HTTP/2\nconnections. A remote attacker could possibly use this issue to cause the\nserver to consume resources, leading to a denial of service. This issue\nonly affected Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-43622)\n\nWill Dormann and David Warren discovered that the Apache HTTP Server\nincorrectly handled memory when handling HTTP/2 connections. A remote\nattacker could possibly use this issue to cause the server to consume\nresources, leading to a denial of service. (CVE-2023-45802)\n","modified":"2026-04-27T17:02:17.844992471Z","published":"2023-11-22T14:55:30Z","related":["UBUNTU-CVE-2023-31122","UBUNTU-CVE-2023-45802"],"upstream":["CVE-2023-31122","CVE-2023-43622","CVE-2023-45802","UBUNTU-CVE-2023-31122","UBUNTU-CVE-2023-43622","UBUNTU-CVE-2023-45802"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6506-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-31122"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-43622"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-45802"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.15?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.15"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"apache2","binary_version":"2.4.41-4ubuntu3.15"},{"binary_name":"apache2-bin","binary_version":"2.4.41-4ubuntu3.15"},{"binary_name":"apache2-data","binary_version":"2.4.41-4ubuntu3.15"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.41-4ubuntu3.15"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.41-4ubuntu3.15"},{"binary_name":"apache2-utils","binary_version":"2.4.41-4ubuntu3.15"},{"binary_name":"libapache2-mod-md","binary_version":"2.4.41-4ubuntu3.15"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.41-4ubuntu3.15"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6506-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2023-31122","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2023-45802","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"apache2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.7?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.52-1ubuntu4.7"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"apache2","binary_version":"2.4.52-1ubuntu4.7"},{"binary_name":"apache2-bin","binary_version":"2.4.52-1ubuntu4.7"},{"binary_name":"apache2-data","binary_version":"2.4.52-1ubuntu4.7"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.52-1ubuntu4.7"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.52-1ubuntu4.7"},{"binary_name":"apache2-utils","binary_version":"2.4.52-1ubuntu4.7"},{"binary_name":"libapache2-mod-md","binary_version":"2.4.52-1ubuntu4.7"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.52-1ubuntu4.7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6506-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-31122","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2023-45802","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.5"}