Vulnerability Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, a double-free vulnerability in kerberos_AcceptSecurityContext() and kerberos_InitializeSecurityContextA() (WinPR, winpr/libwinpr/sspi/Kerberos/kerberos.c) can cause a crash in any FreeRDP clients on systems where Kerberos and/or Kerberos U2U is configured (Samba AD member, or krb5 for NFS). The crash is triggered during NLA connection teardown and requires a failed authentication attempt. This issue has been patched in version 3.24.2.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freerdp | Freerdp | < 3.24.2 |
Related Weaknesses (CWE)
References
- https://github.com/FreeRDP/FreeRDP/commit/8078b8af1359055972e4fb2f509f543b691693Patch
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mv25-f4p2-5mxxPatchVendor Advisory
FAQ
What is CVE-2026-33995?
CVE-2026-33995 is a vulnerability with a CVSS score of 5.3 (MEDIUM). FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, a double-free vulnerability in kerberos_AcceptSecurityContext() and kerberos_InitializeSecurityContextA() (Win...
How severe is CVE-2026-33995?
CVE-2026-33995 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33995?
Check the references section above for vendor advisories and patch information. Affected products include: Freerdp Freerdp.