USN-8721-1: OpenSSH vulnerabilities

It was discovered that OpenSSH's ssh-agent incorrectly handled interactions between agent locking and the [email protected] extension. A remote attacker with access to a forwarded agent connection could possibly use this issue to perform operations that should only be available locally, su...

CVE-2025-3243

🔐 CVE-2025-3243 SSH Checker Fast. Lean. No-BS. Python script for initial exposure check of the CVE-2025-3243 vulnerability related to the Erlang/OTP SSH client. This project was designed for quick triage , reduction of operational uncertainty , and attack surface validation in environments where...

[SECURITY] Fedora 43 Update: openssh-10.0p1-12.fc43

SSH Secure SHell is a program for logging into and executing commands on a remote machine. SSH is intended to replace rlogin and rsh, and to provide secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP/IP ports can also be forward...

CVE-2026-48711

SSHFS (a network filesystem client for SSH) is vulnerable to argument injection in its find_base_path() function. From version 1.4 through 3.7.5, a bracketed mount source such as [-oProxyCommand=CMD]:/path has its brackets stripped, leaving a host value beginning with - that is passed directly to...

CVE-2026-73282

A flaw was found in OpenSSH. A use-after-free vulnerability exists in the ssh client when handling concurrent remote-forwarding operations. This can occur if a remote forwarding is added via the local session multiplexing socket while a remote forwarding open request is pending with the server. A...

CVE-2026-73429 Russh: client wrong-length X25519 `clone_from_slice` panic (pre-auth DoS)

Russh is a Rust SSH client & server library. Prior to 0.62.4, a malicious SSH server can crash a russh client session with a malformed KEXECDHREPLY containing a server ephemeral value that is not 32 bytes long. The client-side Curve25519Kex::computesharedsecret function in...

CVE-2026-67191: Heap-based Buffer Overflow

Xlight FTP Server before 3.9.5 contains a pre-authentication heap buffer overflow vulnerability that allows remote unauthenticated attackers to write past the end of a heap buffer by sending a malformed SSH client identification string. A logic error in the recv loop's termination condition uses ...

CVE-2026-58051

libssh2 through 1.11.1 grows its publickey list with SSH2REALLOC but does not zero-initialize new entries before parsing populates them, so a parse failure reaching the cleanup path leaves libssh2publickeylistfree operating on an uninitialized entry. A malicious SSH server offering the publickey...

SUSE-SU-2026:22376-1 Security update for google-guest-agent

This update for google-guest-agent fixes the following issues - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo- header bsc1260264. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allo...

OPENSUSE-SU-2026:21084-1 Security update for distribution

This update for distribution fixes the following issues - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1265788. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation...

CVE-2026-48110: Improper Input Validation

Russh is a Rust SSH client & server library. From version 0.34.0 to before version 0.61.0, several russh client and server message handlers decoded attacker-controlled SSH strings, name-lists, and byte fields into owned allocations before applying field-specific bounds. A remote SSH peer could se...

PT-2026-48545

Name of the Vulnerable Software and Affected Versions russh versions 0.37.0 through 0.60.2 Description In the keyboard-interactive authentication path of the client, a malicious SSH server can send a USERAUTH INFO REQUEST containing an attacker-controlled prompt count. The client uses this raw...

OESA-2026-2485 buildah security update

The package provides a command line tool which can be used to create a working container from scratch or create a working container from an image as a starting point mount/umount a working container's root file system for manipulation save container's root file system layer to create a new image...

CVE-2026-39827: Improper Enforcement of Message Integrity During Transmission in a Communication Channel

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for...

PT-2026-41729

Name of the Vulnerable Software and Affected Versions russh versions prior to 0.58.0 russh versions 0.60.x Description An issue exists in the CryptoVec component involving unchecked capacity growth, unchecked length arithmetic, and unsafe allocation and locking paths. In versions prior to 0.58.0,...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to an early termination condition in golang.org/x/crypto [CVE-2025-47913]

Summary IBM Watson Speech Services Cartridge is vulnerable to an early termination condition in golang.org/x/crypto, due to an issue with SSH clients CVE-2025-47913. golang.org/x/crypto is used in our Speech Operators. This vulnerabilitiy has been addressed. Please read the details for remediatio...

CVE-2026-4631: Improper Neutralization of Special Elements used in an OS Command

Cockpit's remote login feature passes user-supplied hostnames and usernames from the web interface to the SSH client without validation or sanitization. An attacker with network access to the Cockpit web service can craft a single HTTP request to the login endpoint that injects malicious SSH...

Important: Red Hat Security Advisory: podman security update

An update for podman is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2025-67035: Improper Neutralization of Special Elements used in an OS Command

An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The SSH Client and SSH Server pages are affected by multiple OS injection vulnerabilities due to missing sanitization of input parameters. An attacker can inject arbitrary commands in delete actions of various objects, such as server keys,...

CLEANSTART-2026-YD51202 SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process

Multiple security vulnerabilities affect the istio-fips package. SSH clients receiving SSHAGENTSUCCESS when expecting a typed response will panic and cause early termination of the client process. See references for individual vulnerability details...