HighFix available
python-py — security advisory
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.
- Products
- python-py
- Affected versions
- Not specified
- Fixed versions
- 1.10.0-1
- CVEs
- CVE-2020-29651
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:14 UTC · Revision 1
Source evidence
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.
osv:DEBIAN-CVE-2020-29651
python-py
Fixed versions: 1.10.0-1
python-py
Fixed versions: 1.10.0-1
Complete source record
{
"id": "0e7c42b8e975278cd04b1664641be59bc1aacf8c3dc3d6f979c1eeb97f62560e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-29651",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-29651",
"summary": "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.",
"evidence": "osv:DEBIAN-CVE-2020-29651",
"products": [
{
"name": {
"value": "python-py",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.10.0-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python-py",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.10.0-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2020-29651",
"aliases": [
"DEBIAN-CVE-2020-29651"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.10.0-1"
}
]
}
],
"package": {
"name": "python-py",
"purl": "pkg:deb/debian/python-py?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-29651.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.10.0-1"
}
]
}
],
"package": {
"name": "python-py",
"purl": "pkg:deb/debian/python-py?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-29651.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T12:01:59.446279953Z",
"provider": "osv",
"upstream": [
"CVE-2020-29651"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-29651"
]
},
"related_cves": [
{
"value": "CVE-2020-29651",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 451948,
"published_at": "2020-12-09T07:15:12.533+00:00"
}