kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another.
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | < 6bda81e24a35a856f58e6a5786de579b07371603 |