{"action":"Upgrade apache2 to 2.4.46-6 or later.","affected":[{"fixed":"2.4.46-6","introduced":"0"}],"component":"apache2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.4.46-6"],"id":"tcs_01M5NFG9VJDW8ZF59X2F5PYXHS","modified_at":"2026-10-23T18:04:49.625580066Z","published_at":"2021-06-10T07:15:07.543Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-26690","https://security-tracker.debian.org/tracker/CVE-2021-26690"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-26690#Debian:13/apache2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-26690"}],"summary":"Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service"}