CVE-2026-42167

modsql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands e.g., COPY TO PROGRAM...

CVE-2026-42167

CVE-2026-42167 : A logic flaw in ProFTPD (mod_sql) allows unauthenticated SQL injection via logging of USER (e.g., %U). The root cause is a faulty is_escaped_text() heuristic in contrib/mod_sql.c that may treat attacker-controlled input as already escaped, leading to raw injection into SQL and po...

PT-2026-35642

Name of the Vulnerable Software and Affected Versions ProFTPD versions prior to 1.3.10rc1 Description A flaw in the mod sql module occurs due to insufficient protection of the SQL query structure. Remote attackers can execute arbitrary code by providing a specially crafted username in scenarios...

Huawei EulerOS: Security Advisory for proftpd (EulerOS-SA-2026-1615)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 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...

Huawei EulerOS: Security Advisory for proftpd (EulerOS-SA-2026-1587)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 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...

EulerOS 2.0 SP11 : proftpd (EulerOS-SA-2026-1615)

According to the versions of the proftpd package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In ProFTPD through 1.3.8b before cec01cc, supplemental group inheritance grants unintended access to GID 0 because of the lack of supplemental...

EulerOS 2.0 SP11 : proftpd (EulerOS-SA-2026-1587)

According to the versions of the proftpd package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In ProFTPD through 1.3.8b before cec01cc, supplemental group inheritance grants unintended access to GID 0 because of the lack of supplemental...

Linux Distros Unpatched Vulnerability : CVE-2021-47865

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections...

SUSE CVE-2021-47865

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access...

CVE-2021-47865

A flaw was found in ProFTPD. A remote attacker can exploit this denial of service DoS vulnerability by creating multiple simultaneous File Transfer Protocol FTP connections. This action can exhaust the server's connection limits, preventing legitimate users from accessing the service...

CVE-2021-47865

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access...

UBUNTU-CVE-2021-47865

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access...

CVE-2021-47865

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access...

CVE-2021-47865

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access...

EUVD-2026-3621

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access...

CVE-2021-47865

CVE-2021-47865 affects ProFTPD 1.3.7a. The vulnerability allows remote denial of service by spawning multiple simultaneous FTP connections, using threading to exhaust server connection limits and block legitimate users. Documented impact is high (availability impact), with CVSS 3.1/4.0 vectors sh...

CVE-2021-47865

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access...

CVE-2021-47865 ProFTPD 1.3.7a - Remote Denial of Service

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access...

ProFTPD security vulnerabilities

ProFTPD is an open-source FTP server software with high configurability developed by ProFTPD. Version 1.3.7a of ProFTPD contains a security vulnerability. This vulnerability arises from the ability for attackers to create multiple simultaneous FTP connections, which may lead to a server...

CVE-2021-47865: Allocation of Resources Without Limits or Throttling

ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access...