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. (CVE-2020-28493)
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. (CVE-2024-22195)