MediumFix available
python-pip — security advisory
A flaw was found in python-pip in the way it handled Unicode separators in git references. A remote attacker could possibly use this issue to install a different revision on a repository. The highest threat from this vulnerability is to data integrity. This is fixed in python-pip version 21.1.
- Products
- python-pip
- Affected versions
- Not specified
- Fixed versions
- 20.3.4-2
- CVEs
- CVE-2021-3572
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 11:07 UTC · Revision 1
Source evidence
A flaw was found in python-pip in the way it handled Unicode separators in git references. A remote attacker could possibly use this issue to install a different revision on a repository. The highest threat from this vulnerability is to data integrity. This is fixed in python-pip version 21.1.
osv:DEBIAN-CVE-2021-3572
python-pip
Fixed versions: 20.3.4-2
python-pip
Fixed versions: 20.3.4-2
python-pip
Fixed versions: 20.3.4-2
Complete source record
{
"id": "d921ba7de56b5c93dedc01a58dd4b556d967aa4dc330a63f5e938f2059acdce4",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-3572",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-3572",
"summary": "A flaw was found in python-pip in the way it handled Unicode separators in git references. A remote attacker could possibly use this issue to install a different revision on a repository. The highest threat from this vulnerability is to data integrity. This is fixed in python-pip version 21.1.",
"evidence": "osv:DEBIAN-CVE-2021-3572",
"products": [
{
"name": {
"value": "python-pip",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "20.3.4-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python-pip",
"evidence": "/affected/1/package/name"
},
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"fixed_versions": [
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"evidence": "/affected/1/ranges"
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],
"affected_versions": []
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{
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"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2021-3572",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
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"introduced": "0"
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{
"fixed": "20.3.4-2"
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],
"package": {
"name": "python-pip",
"purl": "pkg:deb/debian/python-pip?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3572.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
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{
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],
"package": {
"name": "python-pip",
"purl": "pkg:deb/debian/python-pip?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3572.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
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},
{
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{
"fixed": "20.3.4-2"
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],
"package": {
"name": "python-pip",
"purl": "pkg:deb/debian/python-pip?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3572.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-09T09:47:24.784648288Z",
"provider": "osv",
"upstream": [
"CVE-2021-3572"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-3572"
]
},
"related_cves": [
{
"value": "CVE-2021-3572",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 111474,
"published_at": "2021-11-10T18:15:09.51+00:00"
}