{"action":"Upgrade apache2 to 2.4.51-1 or later.","affected":[{"fixed":"2.4.51-1","introduced":"0"}],"component":"apache2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.4.51-1"],"id":"tcs_01M5NG0MJWC0YVHH2XRR6GJ4W3","modified_at":"2026-10-23T18:04:15.788375468Z","published_at":"2021-10-07T16:15:09.270Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-42013","https://security-tracker.debian.org/tracker/CVE-2021-42013"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-42013#Debian:13/apache2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-42013"}],"summary":"It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Ali"}