It was discovered that incorrectly handled certain ZIP files. An attacker could possibly use this issue to cause a denial of service (CVE-2019-9674).
It was discovered that Python documentation had a misleading information. A security issue could be possibly caused by wrong assumptions of this information (CVE-2019-17514).
It was discovered that Python incorrectly handled certain TAR archives. An attacker could possibly use this issue to cause a denial of service (CVE-2019-20907).
It was discovered that Python incorrectly handled certain HTTP requests. An attacker could possibly use this issue to cause a denial of service (CVE-2020-8492).
It was discovered that Python incorrectly handled certain IP values. An attacker could possibly use this issue to cause a denial of service (CVE-2020-14422).
It was discovered that Python incorrectly handled certain character sequences. A remote attacker could possibly use this issue to perform CRLF injection (CVE-2020-26116).
The CVE-2020-14422 issue only affected python3.