{"action":"Upgrade heimdal to 7.5.0+dfsg-3 or later.","affected":[{"fixed":"7.5.0+dfsg-3","introduced":"0"}],"component":"heimdal","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["7.5.0+dfsg-3"],"id":"tcs_01M5NDQKZ5YPNVMEJ365TCM8V5","modified_at":"2026-09-21T07:02:00.995061280Z","published_at":"2019-05-15T23:29:00.277Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-12098","https://security-tracker.debian.org/tracker/CVE-2019-12098"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-12098#Debian:14/heimdal","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-12098"}],"summary":"In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_cred"}