Ubuntu Security Notice 4882-1 - It was discovered that the Ruby JSON gem incorrectly handled certain JSON files. If a user or automated system were tricked into parsing a specially crafted JSON file, a remote attacker could use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that Ruby incorrectly handled certain socket memory operations. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Various other issues were also addressed.
283a88217feec850de336cca9e09f282e9c9a4430901603c938294b461152b82