Medium: openssh

Issue Overview: Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself. The usage of sshpktdisconnect on an error, which does not...

SUSE SLES12 Security Update : openssh (SUSE-SU-2026:2025-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2025-1 advisory. This update for openssh fixes the following issues Tenable has extracted the preceding description block directly from the SUSE security...

SUSE SLES15 Security Update : openssh (SUSE-SU-2026:2024-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2024-1 advisory. This update for openssh fixes the following issues Tenable has extracted the preceding description block directly from the SUSE...

SUSE CVE-2026-39832

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

CVE-2026-39831

CVE-2026-39831 involves the Verify() method for FIDO/U2F security key types ([email protected], [email protected]) where the User Presence flag was not checked. This allowed signatures generated without physical user interaction to be accepted, enabling unattended use of...

CVE-2026-39831 Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh

The Verify method for FIDO/U2F security key types [email protected], [email protected] did not check the User Presence flag. Signatures generated without physical touch were accepted, allowing unattended use of a hardware security key. To restore the previous behavior,...

CVE-2026-39831 Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh

The Verify method for FIDO/U2F security key types [email protected], [email protected] did not check the User Presence flag. Signatures generated without physical touch were accepted, allowing unattended use of a hardware security key. To restore the previous behavior,...

CVE-2026-39832 Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

GO-2026-5006 Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

RockyLinux 10 : openssh (RLSA-2026:6463)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:6463 advisory. openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables CVE-2026-3497 Tenable has extracted the preceding description...

RockyLinux 9 : openssh (RLSA-2026:6462)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:6462 advisory. openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables CVE-2026-3497 Tenable has extracted the preceding description...

RockyLinux 9 : openssh (RLSA-2025:23480)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23480 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in ssh://...

RockyLinux 9 : openssh (RLSA-2026:13381)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:13381 advisory. OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode CVE-2026-35385 OpenSSH: OpenSSH: Security bypass via...

RockyLinux 10 : openssh (RLSA-2025:20126)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2025:20126 advisory. openssh: OpenSSH SSHD Agent Forwarding and X11 Forwarding CVE-2025-32728 Tenable has extracted the preceding description block directly from the RockyLinux...

RockyLinux 10 : openssh (RLSA-2025:23479)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23479 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in ssh://...

RLSA-2025:23479 Moderate: openssh security update

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fixes: openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand...

RLSA-2026:6463 Important: openssh security update

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fixes: openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized...

openssh security update

An update is available for openssh. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSH is an SSH protocol implementation supported by a number of Linux,...

openssh security update

An update is available for openssh. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSH is an SSH protocol implementation supported by a number of Linux,...

openssh security update

An update is available for openssh. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSH is an SSH protocol implementation supported by a number of Linux,...