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Purlpkg:deb/debian/python-urllib3@1.25.8-1?distro=trixie
Typedeb
Namespacedebian
Namepython-urllib3
Version1.25.8-1
Qualifiers
distro trixie
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version1.25.9-1
Latest_non_vulnerable_version2.6.3-2
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-61sh-s5y1-w3f8
vulnerability_id VCID-61sh-s5y1-w3f8
summary The _encode_invalid_chars function in util/url.py in the urllib3 library 1.25.2 through 1.25.7 for Python allows a denial of service (CPU consumption) because of an inefficient algorithm. The percent_encodings array contains all matches of percent encodings. It is not deduplicated. For a URL of length N, the size of percent_encodings may be up to O(N). The next step (normalize existing percent-encoded bytes) also takes up to O(N) for each step, so the total time is O(N^2). If percent_encodings were deduplicated, the time to compute _encode_invalid_chars would be O(kN), where k is at most 484 ((10+6*2)^2).
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-7212.json
reference_id
reference_type
scores
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-7212.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-7212
reference_id
reference_type
scores
0
value 0.00677
scoring_system epss
scoring_elements 0.71463
published_at 2026-04-07T12:55:00Z
1
value 0.00677
scoring_system epss
scoring_elements 0.71534
published_at 2026-04-21T12:55:00Z
2
value 0.00677
scoring_system epss
scoring_elements 0.71556
published_at 2026-04-18T12:55:00Z
3
value 0.00677
scoring_system epss
scoring_elements 0.71551
published_at 2026-04-16T12:55:00Z
4
value 0.00677
scoring_system epss
scoring_elements 0.71504
published_at 2026-04-13T12:55:00Z
5
value 0.00677
scoring_system epss
scoring_elements 0.71523
published_at 2026-04-12T12:55:00Z
6
value 0.00677
scoring_system epss
scoring_elements 0.71538
published_at 2026-04-11T12:55:00Z
7
value 0.00677
scoring_system epss
scoring_elements 0.71516
published_at 2026-04-09T12:55:00Z
8
value 0.00677
scoring_system epss
scoring_elements 0.71503
published_at 2026-04-08T12:55:00Z
9
value 0.00677
scoring_system epss
scoring_elements 0.71466
published_at 2026-04-01T12:55:00Z
10
value 0.00677
scoring_system epss
scoring_elements 0.71473
published_at 2026-04-02T12:55:00Z
11
value 0.00677
scoring_system epss
scoring_elements 0.7149
published_at 2026-04-04T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-7212
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7212
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7212
3
reference_url https://github.com/advisories/GHSA-hmv2-79q8-fv6g
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
2
value 8.7
scoring_system cvssv4
scoring_elements 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
3
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/advisories/GHSA-hmv2-79q8-fv6g
4
reference_url https://github.com/pypa/advisory-database/tree/main/vulns/urllib3/PYSEC-2020-149.yaml
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value 8.7
scoring_system cvssv4
scoring_elements 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
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/pypa/advisory-database/tree/main/vulns/urllib3/PYSEC-2020-149.yaml
5
reference_url https://github.com/urllib3/urllib3
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value 8.7
scoring_system cvssv4
scoring_elements 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
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/urllib3/urllib3
6
reference_url https://github.com/urllib3/urllib3/blob/master/CHANGES.rst
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value 8.7
scoring_system cvssv4
scoring_elements 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
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/urllib3/urllib3/blob/master/CHANGES.rst
7
reference_url https://github.com/urllib3/urllib3/commit/a74c9cfbaed9f811e7563cfc3dce894928e0221a
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value 8.7
scoring_system cvssv4
scoring_elements 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
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/urllib3/urllib3/commit/a74c9cfbaed9f811e7563cfc3dce894928e0221a
8
reference_url https://nvd.nist.gov/vuln/detail/CVE-2020-7212
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value 8.7
scoring_system cvssv4
scoring_elements 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
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2020-7212
9
reference_url https://pypi.org/project/urllib3/1.25.8
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value 8.7
scoring_system cvssv4
scoring_elements 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
2
value HIGH
scoring_system generic_textual
scoring_elements
url https://pypi.org/project/urllib3/1.25.8
10
reference_url https://pypi.org/project/urllib3/1.25.8/
reference_id
reference_type
scores
url https://pypi.org/project/urllib3/1.25.8/
11
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1812095
reference_id 1812095
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1812095
fixed_packages
0
url pkg:deb/debian/python-urllib3@1.25.8-1?distro=trixie
purl pkg:deb/debian/python-urllib3@1.25.8-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/python-urllib3@1.25.8-1%3Fdistro=trixie
1
url pkg:deb/debian/python-urllib3@1.26.5-1~exp1?distro=trixie
purl pkg:deb/debian/python-urllib3@1.26.5-1~exp1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-zevs-1ge5-y7g7
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/python-urllib3@1.26.5-1~exp1%3Fdistro=trixie
2
url pkg:deb/debian/python-urllib3@1.26.12-1%2Bdeb12u1?distro=trixie
purl pkg:deb/debian/python-urllib3@1.26.12-1%2Bdeb12u1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-zevs-1ge5-y7g7
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/python-urllib3@1.26.12-1%252Bdeb12u1%3Fdistro=trixie
3
url pkg:deb/debian/python-urllib3@2.3.0-3%2Bdeb13u1?distro=trixie
purl pkg:deb/debian/python-urllib3@2.3.0-3%2Bdeb13u1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-zevs-1ge5-y7g7
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/python-urllib3@2.3.0-3%252Bdeb13u1%3Fdistro=trixie
4
url pkg:deb/debian/python-urllib3@2.6.3-2?distro=trixie
purl pkg:deb/debian/python-urllib3@2.6.3-2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/python-urllib3@2.6.3-2%3Fdistro=trixie
aliases CVE-2020-7212, GHSA-hmv2-79q8-fv6g, PYSEC-2020-149
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-61sh-s5y1-w3f8
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:deb/debian/python-urllib3@1.25.8-1%3Fdistro=trixie