{"action":"Upgrade krb5 to 1.19.3-r0 or later.","affected":[{"fixed":"1.19.3-r0","introduced":"0"}],"component":"krb5","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.19","exploited":false,"fixed_versions":["1.19.3-r0"],"id":"tcs_01M5NDCKF2MMFMVSAPM0F2P0GC","modified_at":"2026-10-23T17:17:56.204976412Z","published_at":"2021-08-23T05:15:08.063Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-37750","https://security.alpinelinux.org/vuln/CVE-2021-37750"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-37750#Alpine:v3.19/krb5","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-37750"}],"summary":"The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field"}