{"id":"AZL-6483","summary":"CVE-2021-33193 affecting package httpd for versions less than 2.4.52-1","details":"A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.","modified":"2026-04-01T05:20:24.764758Z","published":"2021-08-16T08:15:11Z","upstream":["CVE-2021-33193"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33193"}],"affected":[{"package":{"name":"httpd","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/httpd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.52-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6483.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:H/A:N"}]}