{"id":"PYSEC-2020-193","details":"In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.","modified":"2023-03-14T07:01:09.420132Z","published":"2020-01-22T02:15:00Z","withdrawn":"2023-03-14T07:01:09.420132Z","references":[{"type":"WEB","url":"https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6"},{"type":"WEB","url":"https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b"}],"affected":[{"package":{"name":"postfix-mta-sts-resolver","ecosystem":"PyPI","purl":"pkg:pypi/postfix-mta-sts-resolver"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.1"}]}],"versions":["0.1.1","0.1.2","0.1.3","0.1.4","0.1.5","0.2.0","0.2.1","0.2.2","0.2.3","0.2.4","0.2.5","0.2.7","0.2.8","0.2.9","0.3.0","0.4.0","0.4.1","0.4.2","0.4.3","0.4.4","0.4.5","0.5.0"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/postfix-mta-sts-resolver/PYSEC-2020-193.yaml"}}],"schema_version":"1.7.3"}