python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in pop3lib's apop() method. An attacker could use this flaw to cause denial of service.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-1060.json"