Rocky Linux 9.6 [TuxCare] Security Update: openssh / openssh-askpass / openssh-clients / openssh-keycat / etc (ALMALINUX9.6:CLSA-2026:1788887546)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1788887546 advisory. - In sshd in OpenSSH before 10.5, the restrict keyword in authorizedkeys was supposed to be applicable to tunnel forwarding but was not...

CentOS Linux 8.4 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc (CENTOS8.4:CLSA-2025:1749552061)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2025:1749552061 advisory. - In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent...

Rocky Linux 9.6 [TuxCare] Security Update: openssh / openssh-askpass / openssh-clients / openssh-keycat / etc (ALMALINUX9.6:CLSA-2026:1784636012)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784636012 advisory. - sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay. CVE-2026-60001 Note that Nessus has not tested for th...

apache__mina-sshd_CVE-2023-35887_2-9-2

Apache MINA SSHD Apache MINA SSHD is a 100% pure java library to support the SSH protocols on both the client and server side. It does not aim at being a replacement for the SSH client or SSH server from Unix operating systems, but rather provides support for Java based applications requiring SSH...

Improper Certificate Validation

org.apache.sshd, sshd-core is vulnerable to improper certificate validation. The vulnerability is due to the server-side authentication process not validating force-command and verify-required certificate options, which allows an attacker with a specially crafted OpenSSH user certificate to...

CVE-2018-6574

CVE-2018-6574...

CVE-2024-6387-Race-Condition-in-Signal-Handling-for-OpenSSH

CVE-2024-6387: Race Condition in Signal Handling for OpenSSH Overview CVE-2024-6387 is a critical vulnerability discovered in OpenSSH's server sshd that allows an attacker to potentially achieve unauthenticated remote code execution RCE as root. The vulnerability arises from a race condition in t...

cve-2024-6387-poc

cve-2024-6387-poc una condición de carrera en el manejador de señales en el servidor de OpenSSH sshd...

CVE-2024-6387-OpenSSH-Analysis

CVE-2024-6387 OpenSSH Analysis Overview Security analysis of CVE-2024-6387 vulnerability affecting OpenSSH server. Tools Used Kali Linux Nmap Metasploitable 2 Vulnerability Details CVE-2024-6387 is a vulnerability in OpenSSH caused by a race condition in sshd, which may allow an unauthorised remo...

CVE-2024-6387

cve-2024-6387-poc a signal handler race condition in OpenSSH's server sshd...

CVE-2023-25136

CVE-2023-25136 Looking into the memory when sshd 9.1p1 aborts due to a double free bug. The pdf has some images that are rather blurry. I will update it soon for better legibility...

CVE-2024-3094

🚨 CVE-2024-3094 — XZ Utils Backdoor 🧠 Overview CVE-2024-3094 is a critical supply chain compromise affecting the widely used XZ Utils compression library. A malicious actor inserted a stealth backdoor into upstream releases, enabling remote code execution RCE via tampered liblzma. ⚠️ This...

cve-2024-6387-poc

cve-2024-6387-poc a signal handler race condition in OpenSSH's server sshd...

CVE-2024-3094-backdoor-env-container

CVE-2024-3094 SSH Backdoor Container Env This is an environment running CVE-2024-3094 sshd backdoor instance, working with this exploit: https://github.com/amlweems/xzbot. Experiments Test in Docker IT IS NOT a Docker container. I had tried making this vulnerability env with docker but failed: 1...

CVE-2024-6387-POC

cve-2024-6387-poc a signal handler race condition in OpenSSH's server sshd...

org.apache.sshd/sshd-core: Apache MINA SSHD: Unauthorized command execution due to improper certificate validation

A flaw was found in Apache MINA SSHD server-side. During user authentication, the server's OpenSSH user certificate validation process failed to properly check for or validate unsupported options like 'force-command' or 'verify-required' embedded within a user's certificate. This oversight could...

org.apache.sshd/sshd-core: Apache MINA SSHD: Authentication bypass via duplicate public key presentation

A flaw was found in Apache MINA SSHD. When the server is configured to require multiple Secure Shell SSH public keys for authentication, it fails to verify that the submitted keys are distinct. A remote user can exploit this flaw by presenting the same public key twice to satisfy multi-key...

openssh: OpenSSH: Tunnel forwarding restriction bypass

A flaw was found in OpenSSH's sshd component. The restrict keyword, designed to limit tunnel forwarding within the authorizedkeys file, was not correctly enforced for tunnel forwarding. This issue could allow a local attacker to bypass intended security restrictions, potentially leading to...

MiracleLinux 9 : openssh-9.9p1-11.el9_8.ML.1 (AXSA:2026-1891:11)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1891:11 advisory. openssh: OpenSSH: sftp client allows attacker to control downloaded file location CVE-2026-59995 openssh: OpenSSH sshd: Security bypass due to...

MiracleLinux 8 : openssh-8.0p1-33.el8_10 (AXSA:2026-1886:10)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1886:10 advisory. openssh: OpenSSH: sftp client allows attacker to control downloaded file location CVE-2026-59995 openssh: OpenSSH sshd: Security bypass due to...