HIGH 8.7 NVD
CVE-2026-121956
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
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.
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2557-79qc-6gfr
- https://www.vulncheck.com/advisories/freerdp-before-3.32.2-double-free-in-winpr-kerberos-r
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2557-79qc-6gfr
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-11-04 via NVD.
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