{"id":"GHSA-gw7g-qr8w-3448","summary":"Remarshal expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack","details":"Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition.","aliases":["CVE-2023-47163","PYSEC-2023-236"],"modified":"2024-10-26T18:50:36.268136Z","published":"2023-11-13T03:30:37Z","database_specific":{"github_reviewed_at":"2023-11-14T22:19:05Z","nvd_published_at":"2023-11-13T03:15:09Z","cwe_ids":["CWE-400","CWE-674"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47163"},{"type":"WEB","url":"https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/remarshal/PYSEC-2023-236.yaml"},{"type":"PACKAGE","url":"https://github.com/remarshal-project/remarshal"},{"type":"WEB","url":"https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1"},{"type":"WEB","url":"https://jvn.jp/en/jp/JVN86156389"}],"affected":[{"package":{"name":"remarshal","ecosystem":"PyPI","purl":"pkg:pypi/remarshal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.1"}]}],"versions":["0.10.0","0.11.0","0.11.1","0.11.2","0.12.0","0.14.0","0.15.0","0.15.1","0.16.0","0.16.1","0.17.0","0.8.0","0.9.0","0.9.1","0.9.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-gw7g-qr8w-3448/GHSA-gw7g-qr8w-3448.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}