{"id":"CVE-2021-41524","details":"While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.","aliases":["BIT-apache-2021-41524"],"modified":"2026-07-07T08:51:43.328689153Z","published":"2021-10-05T09:15:07.427Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"34"},{"last_affected":"34"},{"introduced":"35"},{"last_affected":"35"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"]},{"extracted_events":[{"introduced":"17.1"},{"last_affected":"17.1"},{"introduced":"17.2"},{"last_affected":"17.2"},{"introduced":"17.3"},{"last_affected":"17.3"}],"source":"CPE_STRING","vendor_product":"oracle:instantis_enterprisetrack","cpes":["cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*","cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*","cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*"]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/10/05/1"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-20"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20211029-0009/"},{"type":"ADVISORY","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujan2022.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/httpd","events":[{"introduced":"bbacd798d1494b5a99f4e3edab068ccc77b03b7e"},{"last_affected":"bbacd798d1494b5a99f4e3edab068ccc77b03b7e"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:apache:http_server:2.4.49:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.4.49"},{"last_affected":"2.4.49"}]}}],"versions":["2.4.49","candidate-2.4.49"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-41524.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}