CVE-2026-121956
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Nov 04, 2026
Vendor
unknown
Description
FreeRDP before 3.32.2 contains a double free in the WinPR Kerberos SSPI retrieveSomeTgt function, which installs the krb5 default realm into a target principal that has an empty realm without taking ownership of it. Unauthenticated remote clients can send a crafted NLA/CredSSP u2u TGT request whose server-name component contains '@' to corrupt the heap and crash the server process.