{
"id": "GHSA-hj5v-574p-mj7c",
"aliases": [
"CVE-2020-29651"
],
"details": "A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame functionality.",
"summary": "py vulnerable to Regular Expression Denial of Service",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.10.0"
}
]
}
],
"package": {
"name": "py",
"ecosystem": "PyPI"
}
}
],
"modified": "2025-11-04T16:34:14Z",
"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"
}
],
"published": "2021-04-20T16:39:57Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-29651",
"type": "ADVISORY"
},
{
"url": "https://github.com/pytest-dev/py/issues/256",
"type": "WEB"
},
{
"url": "https://github.com/pytest-dev/py/pull/257",
"type": "WEB"
},
{
"url": "https://github.com/pytest-dev/py/pull/257/commits/4a9017dc6199d2a564b6e4b0aa39d6d8870e4144",
"type": "WEB"
},
{
"url": "https://github.com/advisories/GHSA-hj5v-574p-mj7c",
"type": "ADVISORY"
},
{
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/py/PYSEC-2020-92.yaml",
"type": "WEB"
},
{
"url": "https://github.com/pytest-dev/py",
"type": "PACKAGE"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/[email protected] /message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/[email protected] /message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR",
"type": "WEB"
},
{
"url": "https://www.oracle.com/security-alerts/cpujul2022.html",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2020-12-09T07:15:00Z",
"github_reviewed_at": "2021-04-09T21:17:48Z"
}
}