7612 matches found
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-2026-66
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...
[BSA-130] Security Update for openssh
CVE-2026-3497 DSA-6204-1 Jeremy Brown discovered a flaw in the GSSAPI Key Exchange patch applied in Debian to OpenSSH, an implementation of the SSH protocol suite, affecting non-default configurations with the GSSAPIKeyExchange setting enabled. A remote attacker can take advantage of this flaw to...
[SECURITY] [DSA 6204-1] openssh security update
------------------------------------------------------------------------- Debian Security Advisory DSA-6204-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso April 09, 2026 https://www.debian.org/security/faq -...
CLSA-2026-1775752680 openssh: Fix of CVE-2026-3497
CVE-2026-3497: fix information disclosure or denial of service due to uninitialized variables in GSSAPI key exchange...
RHSA-2026:7107 Red Hat Security Advisory: openssh security update
Bulletin has no description...
openssh security update
An update is available for openssh. This update affects Rocky Linux 8. 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, UNI...
RLSA-2026:6461 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...
PT-2026-33685
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...
RockyLinux 8 : openssh (RLSA-2026:6461)
The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-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...
PT-2026-33682
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...
PT-2026-33681
ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host...
PT-2026-33684
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...
PT-2026-33683
ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9...
openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables
A flaw was found in the OpenSSH GSSAPI Generic Security Service Application Program Interface delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the...
RHEL 10 : openssh (RHSA-2026:7107)
The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:7107 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary...
MiracleLinux 9 : openssh-8.7p1-48.el9_7.ML.1 (AXSA:2026-410:02)
The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-410:02 advisory. openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables CVE-2026-3497 Tenable has extracted the preceding...