RHSA-2026:47757 Red Hat Security Advisory: openssh security update

Bulletin has no description...

openssh: OpenSSH: Use-after-free vulnerability during host key re-exchange on the client side

A flaw was found in OpenSSH. A remote attacker could exploit a use-after-free vulnerability on the client side when a server changes its host key during a key re-exchange. This could lead to high impact on confidentiality and integrity, and low impact on availability...

RHEL 8 : openssh (RHSA-2026:47755)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47755 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files...

openssh: Heap out-of-bounds read in Red Hat Enterprise Linux versions of OpenSSH GSSAPI indicator cleanup due to missing NULL sentinel termination

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

CVE-2026-56624

Improper certificate validation in Apache MINA SSHD server-side. Apache MINA SSHD is a Java library for client-side and server-side SSH. Server-side OpenSSH user certificate validation during user authentication in an Apache MINA SSHD server did not check for the unsupported force-command or...

CVE-2026-56624

Improper certificate validation in Apache MINA SSHD server-side. Apache MINA SSHD is a Java library for client-side and server-side SSH. Server-side OpenSSH user certificate validation during user authentication in an Apache MINA SSHD server did not check for the unsupported force-command or...

PT-2026-61720

Name of the Vulnerable Software and Affected Versions Apache MINA SSHD versions prior to 2.19.0 Apache MINA SSHD versions prior to 3.0.0-M5 Description Improper certificate validation occurs during server-side OpenSSH user authentication. The server fails to check or validate the force-command or...

CVE-2026-45695

Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password accepts unauthenticated requests to /api/v1/repo/exists a...

EUVD-2026-44948

Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password accepts unauthenticated requests to /api/v1/repo/exists a...

Malicious code in gamified-trading-system (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector f24facab67c0c7bd4775a6081ee54f4fab3fa7a5dd93b52a87f1111088e5e501 The package advertises itself as a trading-gamification library XP, leaderboards, updateProgress/getLeaderboard but its source contains none of those...

Malicious code in svg-fetcher (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 542aa371fe6b513dabed7c4f9b5646a104520afa686c6b33abedc21d120ea25f index.js exports getPlugin, which fetches JSON from the hardcoded endpoint https://svganchordev.net/icons/106 and passes the response field...

[SECURITY] Fedora 43 Update: openssh-10.0p1-10.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...

openssh: OpenSSH: Brute-force attacks facilitated due to insufficient authentication delay

A flaw was found in OpenSSH's SSH daemon sshd. A remote attacker could exploit this vulnerability by repeatedly attempting authentication. The flaw allows the attacker to bypass the intended minimum authentication delay, which can facilitate brute-force attacks. This makes it easier for an attack...

Arbitrary Command Injection

Overview Affected versions of this package are vulnerable to Arbitrary Command Injection via the ssh process. An attacker can execute arbitrary commands on the operator's workstation by injecting malicious OpenSSH options when the operator runs non-interactive SSH commands. Remediation There is n...

Arbitrary Command Injection

Overview Affected versions of this package are vulnerable to Arbitrary Command Injection via the ssh process. An attacker can execute arbitrary commands on the operator's workstation by injecting malicious OpenSSH options when the operator runs non-interactive SSH commands. Remediation Upgrade...

EUVD-2026-42515

Argument Injection in bosh-cli allows a compromised BOSH Director to inject arbitrary OpenSSH options into the locally-spawned ssh process when an operator runs bosh ssh -c, bosh logs -f, or other non-interactive SSH paths, leading to local command execution on the operator's workstation. Affecte...

SUSE CVE-2026-59998

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...

openssh: Local MITM of X11 forwarding via abstract UNIX socket pre-binding in Red Hat Enterprise Linux OpenSSH client versions

A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack ca...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the ssh process when a server changes its host key during a key re-exchange. An attacker can potentially execute arbitrary code or cause a denial of service by triggering a use-after-free condition on the client side...

CVE-2026-59997

internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection...