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An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when a program with long command line arguments calls syslog. A local attacker may use this flaw to crash systemd-journald or escalate his privileges.

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges.

libssh versions 0.6 and above have an authentication bypass vulnerability in the server code. By presenting the server an SSH2_MSG_USERAUTH_SUCCESS message in place of the SSH2_MSG_USERAUTH_REQUEST message which the server would expect to initiate authentication, the attacker could successfully authenticate without any credentials.

This is a flaw in the Intel processor execution engine sharing on SMT (e.g. Hyper-Threading) architectures. It can result in leakage of secret data in applications such as OpenSSL that has secret dependent control flow at any granularity level. In order to exploit this flaw, the attacker needs to run a malicious process on the same core of the processor as the victim process.

openssh: scp client improper directory name validation

CVE-2019-6111 openssh: Improper validation of object names allows malicious server to overwrite files via scp client

CVE-2019-6110 openssh: Acceptance and display of arbitrary stderr allows for spoofing of scp client output

CVE-2019-6109 openssh: Missing character encoding in progress display allows for spoofing of scp client output.

An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data.

The host is installed with libXxf86vm before 1.1.3 and is prone to a multiple array index vulnerability. A flaw is present in the application, which fails to handle crafted length or index values to the XF86VidModeGetGammaRamp function. Successful exploitation could allow attackers to execute arbitrary code via a crafted string.


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