原始 OSV JSON
{
"id": "GHSA-rprw-h62v-c2w7",
"aliases": [
"CVE-2017-18342"
],
"details": "In PyYAML before 5.1, the `yaml.load()` API could execute arbitrary code. In other words, `yaml.safe_load` is not used.\n\nThis was intended to be fixed in 4.1, but due to [breaking changes](https://github.com/yaml/pyyaml/issues/192#issuecomment-401491470), 4.1 was yanked and 5.1 [contains](https://github.com/yaml/pyyaml/issues/207#issuecomment-472520007) the patch for CVE-2017-18342.",
"summary": "PyYAML insecurely deserializes YAML strings leading to arbitrary code execution",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.1"
}
]
}
],
"package": {
"name": "PyYAML",
"ecosystem": "PyPI"
}
}
],
"modified": "2026-07-01T17:39:14Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"published": "2019-01-04T17:45:26Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18342",
"type": "ADVISORY"
},
{
"url": "https://github.com/marshmallow-code/apispec/issues/278",
"type": "WEB"
},
{
"url": "https://github.com/yaml/pyyaml/issues/193",
"type": "WEB"
},
{
"url": "https://github.com/yaml/pyyaml/issues/207#issuecomment-472520007",
"type": "WEB"
},
{
"url": "https://github.com/yaml/pyyaml/pull/74",
"type": "WEB"
},
{
"url": "https://github.com/yaml/pyyaml/commit/7b68405c81db889f83c32846462b238ccae5be80",
"type": "WEB"
},
{
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/pyyaml/PYSEC-2018-49.yaml",
"type": "WEB"
},
{
"url": "https://github.com/yaml/pyyaml",
"type": "PACKAGE"
},
{
"url": "https://github.com/yaml/pyyaml/blob/master/CHANGES",
"type": "WEB"
},
{
"url": "https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load(input)-Deprecation",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/[email protected]/message/JEX7IPV5P2QJITAMA5Z63GQCZA5I6NVZ",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/[email protected]/message/KSQQMRUQSXBSUXLCRD3TSZYQ7SEZRKCE",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/[email protected]/message/M6JCFGEIEOFMWWIXGHSELMKQDD4CV2BA",
"type": "WEB"
},
{
"url": "https://security.gentoo.org/glsa/202003-45",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"severity": "CRITICAL",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2020-06-16T21:55:26Z"
}
}