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VULNERABILITIES

CVE-2026-33995 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/FreeRDP/FreeRDP/commit/8078b8af1359055972e4fb2f509f543b69169391 [email protected]Patch
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mv25-f4p2-5mxx [email protected]PatchVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-415Double Free[email protected]

Affected Products

ProductVersions
freerdp freerdp
< 3.24.2

CPE

  • cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-33995
NVD Published Date:
Mar 30, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-33995 Details - Not Deferred