CVEvulnerability

CVE-2026-33995

5.3 MEDIUM Published 2026-03-30 Modified 2026-06-17 Official page ↗

Status: Analyzed
Published: 2026-03-30
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses: CWE-415

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.

Affected configurations

• freerdp freerdp (< 3.24.2)

Weakness · CWE (1)

CWE-415 Double Free weakness

References

https://github.com/FreeRDP/FreeRDP/commit/8078b8af1359055972e4fb2f509f543b69169391 Patch
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mv25-f4p2-5mxx Patch, Vendor Advisory

CVE-2026-33995

Description

Affected configurations

Related

Weakness · CWE (1)

References