{"id":"CVE-2023-47163","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":["GHSA-gw7g-qr8w-3448","PYSEC-2023-236"],"modified":"2026-03-14T12:22:44.619336Z","published":"2023-11-13T03:15:09.743Z","references":[{"type":"ADVISORY","url":"https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1"},{"type":"ADVISORY","url":"https://jvn.jp/en/jp/JVN86156389/"},{"type":"FIX","url":"https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/remarshal-project/remarshal","events":[{"introduced":"0"},{"fixed":"33f43f81206ecc36d90a14e4632fae5958ded712"},{"fixed":"fd6ac799a02f533c3fc243b49cdd6d21aa7ee494"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"0.17.1"}]}}],"versions":["v0.10.0","v0.11.0","v0.11.1","v0.11.2","v0.12.0","v0.13.0","v0.14.0","v0.15.0","v0.15.1","v0.16.0","v0.16.1","v0.17.0","v0.2.1","v0.3.0","v0.4.0","v0.5.0","v0.5.1","v0.6.0","v0.7.0","v0.8.0","v0.9.0","v0.9.1","v0.9.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-47163.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}