{"action":"Upgrade apache2 to 2.4.34-1 or later.","affected":[{"fixed":"2.4.34-1","introduced":"0"}],"component":"apache2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.4.34-1"],"id":"tcs_01M5NDJ0XV94DMHT34CP7QMRJC","modified_at":"2026-10-23T18:03:09.263750393Z","published_at":"2018-07-18T14:29:00.307Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-8011","https://security-tracker.debian.org/tracker/CVE-2018-8011"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-8011","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-8011"}],"summary":"By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault. This could be used to DoS the server. Fixed in Apache HTTP S"}