{"action":"Upgrade krb5 to 1.18.4-r0 or later.","affected":[{"fixed":"1.18.4-r0","introduced":"0"}],"component":"krb5","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.14","exploited":false,"fixed_versions":["1.18.4-r0"],"id":"tcs_01M5NDARMFZPNCAFJYZXQKEGJP","modified_at":"2026-10-23T17:17:56.199855051Z","published_at":"2021-07-22T18:15:23.337Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-36222","https://security.alpinelinux.org/vuln/CVE-2021-36222"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-36222#Alpine:v3.14/krb5","url":"https://osv.dev/vulnerability/ALPINE-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"}