{"action":"Upgrade krb5 to 1.18.3-6 or later.","affected":[{"fixed":"1.18.3-6","introduced":"0"}],"component":"krb5","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.18.3-6"],"id":"tcs_01M5NFT9CS5CEWR7PS1XX3WVRP","modified_at":"2026-10-15T09:47:35.373706798Z","published_at":"2021-07-22T18:15:23.337Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-36222","https://security-tracker.debian.org/tracker/CVE-2021-36222"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-36222","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-36222"}],"summary":"ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference a"}