It was discovered that Apache Tika can have an excessive memory usage by using a crafted or corrupt PSD file. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-1950, CVE-2020-1951)
It was discovered that Apache Tika incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-30126, CVE-2022-30973, CVE-2022-33879)