CLEANSTART-2026-DE50350 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

Security vulnerability affects the containerd package. 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...

CLEANSTART-2024-IU89203 SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9

Security vulnerability affects the buildah package. The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9...

CLEANSTART-2025-KP82477 malicious third-party can give a crafted "ssh://

Security vulnerability affects the git package. A malicious third-party can give a crafted "ssh://...

CVE-2026-93994

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...

SUSE CVE-2026-93994

Apache MINA SSHD is a Java library for client-side and server-side SSH. SSH servers can be configured to require multi-authentication schemes, for instance two different public keys, not just one. In OpenSSH, this would be done by setting in sshdconfig AuthenticationMethods "publickey,publickey"...

CVE-2026-94052

A flaw was found in the sshd-ldap component of Apache MINA SSHD. Due to a missing verification check in the Lightweight Directory Access Protocol LDAP password authenticator LdapPasswordAuthenticator, user credentials are not properly validated. A remote, unauthenticated attacker can exploit this...

CVE-2026-93995

A flaw was found in Apache MINA SSHD. The sshd-git module does not properly restrict command-line arguments when executing Git commands over Secure Shell SSH connections. An authenticated remote attacker can exploit this issue by providing a crafted output parameter during an archive operation...

CVE-2026-93994 Apache MINA SSHD: Repeated-publickey policy bypass on server

Apache MINA SSHD is a Java library for client-side and server-side SSH. SSH servers can be configured to require multi-authentication schemes, for instance two different public keys, not just one. In OpenSSH, this would be done by setting in sshdconfig AuthenticationMethods "publickey,publickey"...

Rocky Linux 9.6 [TuxCare] Security Update: cockpit / cockpit-bridge / cockpit-doc / cockpit-packagekit / etc (ALMALINUX9.6:CLSA-2026:1777452220)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1777452220 advisory. - Cockpit's remote login feature passes user-supplied hostnames and usernames from the web interface to the SSH client without validation o...

AlmaLinux 9.2 [TuxCare] Security Update: podman / podman-docker / podman-gvproxy / podman-plugins / etc (ALMALINUX9.2:CLSA-2026:1786960012)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786960012 advisory. - SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a...

AlmaLinux 9.2 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1771663697)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1771663697 advisory. - When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a cross-protocol redirect to a second URL th...

CentOS Linux 8.4 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal (CENTOS8.4:CLSA-2026:1773405202)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1773405202 advisory. - When doing SSH-based transfers using either SCP or SFTP, and asked to do public key authentication, curl would wrongly still ask and...

AlmaLinux 9.6 [TuxCare] Security Update: podman / podman-docker / podman-plugins / podman-remote / etc (ALMALINUX9.6:CLSA-2026:1768930687)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1768930687 advisory. - SSH clients receiving SSHAGENTSUCCESS when expecting a typed response will panic and cause early termination of the client process...

AlmaLinux 9.6 [TuxCare] Security Update: cockpit / cockpit-bridge / cockpit-doc / cockpit-packagekit / etc (ALMALINUX9.6:CLSA-2026:1777452220)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1777452220 advisory. - Cockpit's remote login feature passes user-supplied hostnames and usernames from the web interface to the SSH client without validation or...

AlmaLinux 9.6 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1771664389)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1771664389 advisory. - When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a cross-protocol redirect to a second URL th...

Rocky Linux 9.6 [TuxCare] Security Update: podman / podman-docker / podman-plugins / podman-remote / etc (ALMALINUX9.6:CLSA-2026:1768930687)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1768930687 advisory. - SSH clients receiving SSHAGENTSUCCESS when expecting a typed response will panic and cause early termination of the client process...

CentOS Linux 8.4 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1767627828)

The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1767627828 advisory. - ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources,...

AlmaLinux 9.2 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1762361016)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1762361016 advisory. - A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the sshkdf function responsible fo...

Rocky Linux 9.6 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1771664389)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1771664389 advisory. - When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a cross-protocol redirect to a second URL...

PT-2026-103105

Name of the Vulnerable Software and Affected Versions Apache MINA SSHD versions prior to 2.20.0 Apache MINA SSHD versions 3.0.0-M1 through 3.0.0-M5 Description The server code in the sshd-core component fails to enforce that multiple public keys presented during a multi-authentication scheme are...