Ubuntu Security Notice 6599-1 - Yeting Li discovered that Jinja incorrectly handled certain regex. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. It was discovered that Jinja incorrectly handled certain HTML passed with xmlatter filter. An attacker could inject arbitrary HTML attributes keys and values potentially leading to XSS. Continue reading...