CLSA-2026-1776428482 openssh: Fix of 3 CVEs

CVE-2026-35387: correctly match ECDSA signature algorithms against HostKeyAlgorithms, PubkeyAcceptedAlgorithms and HostbasedAcceptedAlgorithms - CVE-2026-35388: add missing askpass check when using ControlMaster=ask/autoask and "ssh -O proxy ..." - CVE-2026-35414: fix authorizedkeys principals...

[SECURITY] [DLA 4535-1] openssh security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4535-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort April 16, 2026 https://wiki.debian.org/LTS -...

Security Bulletin: Vulnerabilities in OpenSSH affects IBM Netezza Appliance

Summary The OpenSSH package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVEs CVE-2025-61984, CVE-2025-61985 Vulnerability Details CVEID:CVE-2025-61984 DESCRIPTION: ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certa...

CVE-2026-35385 affecting package openssh for versions less than 9.8p1-6

CVE-2026-35385 affecting package openssh for versions less than 9.8p1-6. A patched version of the package is available...

CVE-2026-35388 affecting package openssh for versions less than 9.8p1-6

CVE-2026-35388 affecting package openssh for versions less than 9.8p1-6. A patched version of the package is available...

CVE-2026-35386 affecting package openssh for versions less than 9.8p1-6

CVE-2026-35386 affecting package openssh for versions less than 9.8p1-6. A patched version of the package is available...

ROOT-OS-DEBIAN-11-CVE-2026-35414 CVE-2026-35414 in rootio-openssh - Patched by Root

Root has patched CVE-2026-35414 in the rootio-openssh package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-35385 CVE-2026-35385 in rootio-openssh - Patched by Root

Root has patched CVE-2026-35385 in the rootio-openssh package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-3497 CVE-2026-3497 in rootio-openssh - Patched by Root

Root has patched CVE-2026-3497 in the rootio-openssh package for Root:Debian:11. Multiple fixed versions available...

AlmaLinux 9 : openssh (ALSA-2026:6462)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-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...

AlmaLinux 10 : openssh (ALSA-2026:6463)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-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...

AlmaLinux 8 : openssh (ALSA-2026:6461)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:6461 advisory. openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables CVE-2026-3497 Tenable has extracted the preceding description...

Debian: Security Advisory (DSA-6204-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

JLSEC-2026-73 In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation...

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding...

JLSEC-2026-66

OpenSSH server sshd 9.1 introduced a double-free vulnerability during options.kexalgorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in the default configuration, to jump to any location in the sshd address space. One...

JLSEC-2026-70

In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an expansion token in certain situations. For example, an untrusted Git repository can have a submodule with shell metacharacters in a user name or...

JLSEC-2026-65

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with...

JLSEC-2026-72

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

JLSEC-2026-69

In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS11-hosted private keys, these constraints are only applied to the first key, even if a PKCS11 token returns multiple keys...

JLSEC-2026-63

The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts where no host key for the server has been cached by the client. NOTE: some reports...