CVE-2026-59851

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

EUVD-2021-0868

Malware in sbrugna...

Samba 4.21.x < 4.21.6 / 4.22.x < 4.22.2 Security Bypass Vulnerability

The version of Samba installed on the remote host is 4.21.x prior to 4.21.6, or 4.22.x prior to 4.22.2. It is, therefore, affected by a security bypass vulnerability. A flaw exists with smbd when using Kerberos authentication with smb, due to using the cached user group permissions when...

Ubuntu: Security Advisory (USN-7257-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...