{"id":"UBUNTU-CVE-2021-36160","details":"A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive).","modified":"2026-04-22T14:51:16.491552Z","published":"2021-09-16T15:15:00Z","related":["USN-5090-1"],"upstream":["CVE-2021-36160"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-36160"},{"type":"REPORT","url":"https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-36160"},{"type":"REPORT","url":"http://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70@%3Ccvs.httpd.apache.org%3E"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d@%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5090-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-36160"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.5?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.5"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"apache2","binary_version":"2.4.41-4ubuntu3.5"},{"binary_name":"apache2-bin","binary_version":"2.4.41-4ubuntu3.5"},{"binary_name":"apache2-data","binary_version":"2.4.41-4ubuntu3.5"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.41-4ubuntu3.5"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.41-4ubuntu3.5"},{"binary_name":"apache2-utils","binary_version":"2.4.41-4ubuntu3.5"},{"binary_name":"libapache2-mod-md","binary_version":"2.4.41-4ubuntu3.5"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.41-4ubuntu3.5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36160.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}