#ubuntu

Ubuntu Security Notice 7076-2 - Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

Ubuntu Security Notice 7021-5 - Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

Ubuntu Security Notice 7086-1 - Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code.

Ubuntu Security Notice 7087-1 - It was discovered that libarchive incorrectly handled certain RAR archive files. If a user or automated system were tricked into processing a specially crafted RAR archive, an attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 7085-2 - USN-7085-1 fixed a vulnerability in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations in the X Keyboard Extension. An attacker could use this issue to cause the X Server to crash, leading to a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 7084-2 - USN-7084-1 fixed vulnerability in urllib3. This update provides the corresponding update for the urllib3 module bundled into pip. It was discovered that urllib3 didn't strip HTTP Proxy-Authorization header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information.

Ubuntu Security Notice 7085-1 - Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations in the X Keyboard Extension. An attacker could use this issue to cause the X Server to crash, leading to a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 7084-1 - It was discovered that urllib3 didn't strip HTTP Proxy-Authorization header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information.

Booked Scheduler version 2.8.5 suffers from cross site scripting and open redirection vulnerabilities.

Ubuntu Security Notice 7064-2 - USN-7064-1 fixed a vulnerability in nano. This update provides the corresponding update for Ubuntu 14.04 LTS. It was discovered that nano allowed a possible privilege escalation through an insecure temporary file. If nano was killed while editing, the permissions granted to the emergency save file could be used by an attacker to escalate privileges using a malicious symlink.