{"id":"CVE-2021-4235","details":"Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.","aliases":["GHSA-r88r-gmrh-7j83","GO-2021-0061"],"modified":"2026-03-14T11:15:13.469961Z","published":"2022-12-27T22:15:11.960Z","related":["CGA-8cfw-g9m8-h5q8"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html"},{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2021-0061"},{"type":"FIX","url":"https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241"},{"type":"FIX","url":"https://github.com/go-yaml/yaml/pull/375"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/go-yaml/yaml","events":[{"introduced":"0"},{"fixed":"bb4e33bf68bf89cad44d386192cbed201f35b241"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.2.3"}]}}],"versions":["v2.0.0","v2.1.0","v2.1.1","v2.2.0","v2.2.1","v2.2.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4235.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}