{"action":"Upgrade apache2 to 2.4.23-1 or later.","affected":[{"fixed":"2.4.23-1","introduced":"0"}],"component":"apache2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.4.23-1"],"id":"tcs_01M5NBM89DFMH0PENG570MNXYA","modified_at":"2026-09-22T07:02:59.870658201Z","published_at":"2016-07-06T14:59:04.487Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-4979","https://security-tracker.debian.org/tracker/CVE-2016-4979"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-4979#Debian:14/apache2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-4979"}],"summary":"The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows"}