Prefix Truncation Attack against ChaCha20-Poly1305 and Encrypt-then-MAC aka Terrapin

SummaryTerrapin is a prefix truncation attack targeting the SSH protocol. More precisely, Terrapin breaks the integrity of SSH's secure channel. By carefully adjusting the sequence numbers during the handshake, an attacker can remove an arbitrary amount of messages sent by the client or server at...

PYSEC-2026-1758 Prefix Truncation Attack against ChaCha20-Poly1305 and Encrypt-then-MAC aka Terrapin

Summary Terrapin is a prefix truncation attack targeting the SSH protocol. More precisely, Terrapin breaks the integrity of SSH's secure channel. By carefully adjusting the sequence numbers during the handshake, an attacker can remove an arbitrary amount of messages sent by the client or server a...

Updated ruby-net-ssh packages fix security vulnerabilities

This update fixes CVE-2023-48795: Prefix Truncation Attacks in SSH Specification Terrapin Attack , for ruby-net-ssh...

Mageia: Security Advisory (MGASA-2026-0066)

The remote host is missing an update for the 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...

MGASA-2026-0066 Updated trilead-ssh2 packages fix security vulnerabilities

CVE-2023-48795: Fixed prefix truncation breaking ssh channel integrity aka Terrapin Attack...

Updated trilead-ssh2 packages fix security vulnerabilities

CVE-2023-48795: Fixed prefix truncation breaking ssh channel integrity aka Terrapin Attack...

Exploit for Improper Validation of Integrity Check Value in Openbsd Openssh

SSH Terrapin Attack Vulnerability Scanner CVE-2023-48795 A...

NewStart CGSL MAIN 6.06 (SP) : openssh Vulnerability (NS-SA-2026-0031)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has openssh packages installed that are affected by a vulnerability: - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such...

Exploit for Improper Validation of Integrity Check Value in Openbsd Openssh

Terrapin Attack - Manual Exploitation Lab CVE-2023-48795...

Security Bulletin: IBM Storage Ceph is vulnerable to Improper Validation of Integrity Check Value in python-asyncssh (CVE-2023-48795)

Summary python-asyncss is used by IBM Storage Ceph ias an asynchronous client and server implementation of the SSHv2 protocol. CVE-2023-48795 Vulnerability Details CVEID:CVE-2023-48795 DESCRIPTION: The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other...

Security Bulletin: Multiple vulnerabilities in IBM QRadar SIEM

Summary Multiple vulnerabilities were addressed in IBM QRadar SIEM version 7.5.0 UP14 IF02 Vulnerability Details CVEID:CVE-2023-48795 DESCRIPTION: The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrit...

TencentOS Server 4: libssh (TSSA-2024:0931)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0931 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

TencentOS Server 4: openssh (TSSA-2024:0950)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0950 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

JLSEC-2025-95

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message, and a client and server may consequently end up with a connecti...

ProFTPD < 1.3.8b OpenSSH Terrapin Attack

ProFTPD is prone to the SSH 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 CPE = "cpe:/a:proftpd:proftpd"; ifdescription...

ProFTPd: SSH Terrapin vulnerability

Background ProFTPD is an advanced and very configurable FTP server. Description A vulnerability has been discovered in ProFTPd. Please review the CVE identifier referenced below for details. Impact The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other...

NewStart CGSL MAIN 7.02 : python-pynacl Vulnerability (NS-SA-2025-0193)

The remote NewStart CGSL host, running version MAIN 7.02, has python-pynacl packages installed that are affected by a vulnerability: - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks suc...

NewStart CGSL MAIN 7.02 : libssh Vulnerability (NS-SA-2025-0184)

The remote NewStart CGSL host, running version MAIN 7.02, has libssh packages installed that are affected by a vulnerability: - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that...

Astra Linux – Vulnerabilities in libpod, Erlang, Paramiko

The SSH transport protocol, with certain OpenSSH extensions, found in OpenSSH versions prior to 9.6 and other products, allows remote attackers to bypass integrity checks. As a result, some packets may be omitted from the extension negotiation message. Consequently, the client and server may end ...

ABB M2M Gateway Man-in-the-Middle in embedded OpenSSH (CVE-2023-48795)

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message, and a client and server may consequently end up with a connecti...