{"action":"Upgrade apache2 to 2.4.52-1 or later.","affected":[{"fixed":"2.4.52-1","introduced":"0"}],"component":"apache2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.4.52-1"],"id":"tcs_01M5NG1XZ4J50JP1T4N075QFPH","modified_at":"2026-10-23T18:04:16.870340765Z","published_at":"2021-12-20T12:15:07.393Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-44224","https://security-tracker.debian.org/tracker/CVE-2021-44224"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-44224#Debian:13/apache2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-44224"}],"summary":"A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allo"}