Ubuntu Security Notice 2698-1 – It was discovered that SQLite incorrectly handled skip-scan optimization. An attacker could use this issue to cause applications using SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. Michal Zalewski discovered that SQLite incorrectly handled dequoting of collation-sequence names. An attacker could use this issue to cause applications using SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 15.04. Various other issues were also addressed.