Ubuntu Security Notice USN-5111-2

Ubuntu Security Notice 5133-1 - It was discovered that ICU contains a use after free issue. An attacker could use this issue to cause a denial of service with crafted input.

Ubuntu Security Notice 5111-1 - It was discovered that strongSwan incorrectly handled certain RSASSA-PSS signatures. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service. It was discovered that strongSwan incorrectly handled replacing certificates in the cache. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

Ubuntu Security Notice 5090-2 - USN-5090-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. It was discovered that the Apache HTTP Server incorrectly handled certain malformed requests. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. Various other issues were also addressed.