{"id":"CLEANSTART-2025-LB39103","summary":"vulnerability was discovered in the PyYAML library in versions before 5","details":"CVE-2020-1747 affects multiple packages. A vulnerability was discovered in the PyYAML library in versions before 5. See references for individual vulnerability details.","modified":"2026-10-31T16:30:31.447536233Z","published":"2026-10-31T14:01:22.135067Z","upstream":["CVE-2020-1747"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2025/CLEANSTART-2025-LB39103.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2020-1747"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1747"}],"affected":[{"package":{"name":"py3.14-yaml","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/py3.14-yaml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-LB39103.json"}},{"package":{"name":"py3-yaml","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/py3-yaml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-LB39103.json"}},{"package":{"name":"py3.13-yaml","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/py3.13-yaml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-LB39103.json"}},{"package":{"name":"py3.10-yaml","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/py3.10-yaml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-LB39103.json"}},{"package":{"name":"py3.12-yaml","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/py3.12-yaml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-LB39103.json"}},{"package":{"name":"py3.11-yaml","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/py3.11-yaml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.1-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-LB39103.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}