{"action":"Upgrade apache2 to 2.4.58-1 or later.","affected":[{"fixed":"2.4.58-1","introduced":"0"}],"component":"apache2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.4.58-1"],"id":"tcs_01M5NJ9YSHXJ86K77QAEQF3SP9","modified_at":"2026-10-26T18:02:34.806843702Z","published_at":"2023-10-23T07:15:11.243Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-43622","https://security-tracker.debian.org/tracker/CVE-2023-43622"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-43622#Debian:14/apache2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-43622"}],"summary":"An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resour"}