CVE-2026-33995
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductFreerdp
PublishedMar 30, 2026
First seenMar 30, 2026
Weakness typeCWE-415CWE-415
How to fix
Update
- freerdp freerdp3.24.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freerdp freerdp | v < 3.24.2 | 3.24.2 |
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