284 matches found
openssh: Local MITM of X11 forwarding via abstract UNIX socket pre-binding in Red Hat Enterprise Linux OpenSSH client versions
A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack ca...
Use After Free
Overview Affected versions of this package are vulnerable to Use After Free in the ssh process when a server changes its host key during a key re-exchange. An attacker can potentially execute arbitrary code or cause a denial of service by triggering a use-after-free condition on the client side...
DEBIAN-CVE-2026-59998
sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...
CVE-2026-59997
internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection...
CVE-2026-59995
sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server...
UBUNTU-CVE-2026-59999
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not...
UBUNTU-CVE-2026-59997
internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection...
UBUNTU-CVE-2026-60000
sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service resource consumption from excessive authentication attempts because MaxAuthTries was mishandled for GSSAPIAuthentication...
CVE-2026-60002
ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. This outcome occurs only on the client side...
EUVD-2026-42146
ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. This outcome occurs only on the client side...
CVE-2026-60000
sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service resource consumption from excessive authentication attempts because MaxAuthTries was mishandled for GSSAPIAuthentication...
CVE-2026-60000
sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service resource consumption from excessive authentication attempts because MaxAuthTries was mishandled for GSSAPIAuthentication...
CVE-2026-60000
sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service resource consumption from excessive authentication attempts because MaxAuthTries was mishandled for GSSAPIAuthentication...
CVE-2026-59999
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not...
CVE-2026-59999
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not...
CVE-2026-59998
sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...
CVE-2026-59998
sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...
CVE-2026-59997
internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection...