RHEL 9 : openssh (RHSA-2026:13381)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:13381 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files...

ALSA-2026:13381 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: Privilege escalation via scp legacy protocol when not preserving file mode...

ALSA-2026:13380 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: Privilege escalation via scp legacy protocol when not preserving file mode...

CLSA-2026-1777466052 openssh: Fix of CVE-2026-35414

CVE-2026-35414: fix incorrect matching of the authorizedkeys principals="" option against certificate principals containing comma characters...

[SECURITY] Fedora 42 Update: openssh-9.9p1-14.fc42

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...

CLSA-2026-1777466402 openssh: Fix of CVE-2026-35414

CVE-2026-35414: fix incorrect matching of the authorizedkeys principals="" option against certificate principals containing comma characters...

Fedora 42 : openssh (2026-d08c298940)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-d08c298940 advisory. Fixes high severity CVE: - CVE-2026-35385: Fix privilege escalation via scp legacy protocol when not in preserving file mode Tenable has extracted the...

RHSA-2026:12389 Red Hat Security Advisory: openssh security update

Bulletin has no description...

CLSA-2026-1777586051 openssh: Fix of CVE-2026-35386

CVE-2026-35386: fix client-side command execution via control characters in usernames by adding iscntrl rejection to validruser...

CLSA-2026-1777585781 openssh: Fix of CVE-2026-35386

CVE-2026-35386: fix client-side command execution via control characters in usernames by adding iscntrl rejection to validruser...

CLSA-2026-1777567965 openssh: Fix of CVE-2026-35385

CVE-2026-35385: when downloading files as root in legacy -O mode and without the -p preserve modes flag, scp1 did not clear setuid/setgid bits from downloaded files. Backport upstream commit 487e8ac1 to mask out the setuid/setgid bits in this case...

OpenSSH: OpenSSH: Information disclosure due to unintended cryptographic algorithm usage

A flaw was found in OpenSSH. This vulnerability allows the system to use unintended Elliptic Curve Digital Signature Algorithm ECDSA algorithms. This occurs because the configuration for accepted public key algorithms is misinterpreted, leading to the use of weaker cryptographic methods than...

OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username

A flaw was found in OpenSSH. This vulnerability allows a remote attacker to achieve arbitrary command execution by injecting shell metacharacters into a username provided on the command line. Exploitation requires an untrusted username and a non-default configuration of the '%' character in...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

Important: Red Hat Security Advisory: openssh security update

An update for openssh 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 fo...

CLSA-2026-1777547626 openssh: Fix of CVE-2026-35385

CVE-2026-35385: clear setuid/setgid bits when downloading files as root in scp legacy -O mode without the -p flag...

CLSA-2026-1777546896 openssh: Fix of CVE-2026-35385

CVE-2026-35385: when downloading files as root in legacy -O mode and without the -p preserve modes flag, scp1 did not clear setuid/setgid bits from downloaded files. Backport upstream commit 487e8ac1 to mask out the setuid/setgid bits in this case...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : OpenSSH vulnerabilities (USN-8222-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8222-1 advisory. Christos Papakonstantinou discovered that the OpenSSH scp tool incorrectly handled the legacy scp protocol -O option. Thi...

Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2026-1604)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1604 advisory. In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O legacy scp protocol and...

Amazon Linux 2 : openssh, --advisory ALAS2-2026-3262 (ALAS-2026-3262)

The version of openssh installed on the remote host is prior to 7.4p1-22. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3262 advisory. In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectation...