{"id":"GHSA-wxc4-f4m6-wwqv","summary":"Excessive Platform Resource Consumption within a Loop in Kubernetes","details":"The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.","aliases":["CVE-2019-11254","GO-2020-0036"],"modified":"2026-02-04T03:42:53.637647Z","published":"2021-12-20T16:55:06Z","related":["CGA-273g-hhg6-g68m"],"database_specific":{"severity":"MODERATE","github_reviewed_at":"2021-05-07T17:24:04Z","cwe_ids":["CWE-1050"],"nvd_published_at":null,"github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11254"},{"type":"WEB","url":"https://github.com/kubernetes/kubernetes/issues/89535"},{"type":"WEB","url":"https://github.com/go-yaml/yaml/pull/555"},{"type":"WEB","url":"https://github.com/kubernetes/kubernetes/pull/87467/commits/b86df2bec4f377afc0ca03482ffad2f0a49a83b8"},{"type":"WEB","url":"https://github.com/go-yaml/yaml/commit/53403b58ad1b561927d19068c655246f2db79d48"},{"type":"WEB","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18496"},{"type":"WEB","url":"https://groups.google.com/d/msg/kubernetes-announce/ALL9s73E5ck/4yHe8J-PBAAJ"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2020-0036"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20200413-0003"}],"affected":[{"package":{"name":"gopkg.in/yaml.v2","ecosystem":"Go","purl":"pkg:golang/gopkg.in/yaml.v2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.2.8"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/12/GHSA-wxc4-f4m6-wwqv/GHSA-wxc4-f4m6-wwqv.json"}},{"package":{"name":"github.com/go-yaml/yaml","ecosystem":"Go","purl":"pkg:golang/github.com/go-yaml/yaml"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"2.1.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/12/GHSA-wxc4-f4m6-wwqv/GHSA-wxc4-f4m6-wwqv.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}