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Lookup for vulnerable packages by Package URL.

Purlpkg:deb/debian/pyyaml@5.3.1-4?distro=trixie
Typedeb
Namespacedebian
Namepyyaml
Version5.3.1-4
Qualifiers
distro trixie
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version5.3.1-5
Latest_non_vulnerable_version6.0.3-1
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-2wh2-rac2-53ax
vulnerability_id VCID-2wh2-rac2-53ax
summary A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14343.json
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14343.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-14343
reference_id
reference_type
scores
0
value 0.13704
scoring_system epss
scoring_elements 0.94282
published_at 2026-04-18T12:55:00Z
1
value 0.13704
scoring_system epss
scoring_elements 0.94277
published_at 2026-04-16T12:55:00Z
2
value 0.13704
scoring_system epss
scoring_elements 0.94263
published_at 2026-04-13T12:55:00Z
3
value 0.13704
scoring_system epss
scoring_elements 0.94262
published_at 2026-04-12T12:55:00Z
4
value 0.13704
scoring_system epss
scoring_elements 0.94257
published_at 2026-04-09T12:55:00Z
5
value 0.1402
scoring_system epss
scoring_elements 0.94318
published_at 2026-04-04T12:55:00Z
6
value 0.1402
scoring_system epss
scoring_elements 0.94329
published_at 2026-04-08T12:55:00Z
7
value 0.1402
scoring_system epss
scoring_elements 0.9432
published_at 2026-04-07T12:55:00Z
8
value 0.1402
scoring_system epss
scoring_elements 0.94298
published_at 2026-04-01T12:55:00Z
9
value 0.1402
scoring_system epss
scoring_elements 0.94307
published_at 2026-04-02T12:55:00Z
10
value 0.1402
scoring_system epss
scoring_elements 0.94359
published_at 2026-04-21T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-14343
2
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1860466
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://bugzilla.redhat.com/show_bug.cgi?id=1860466
3
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14343
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14343
4
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 8.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
5
reference_url https://github.com/advisories/GHSA-8q59-q68h-6hv4
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system cvssv3.1_qr
scoring_elements
2
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/advisories/GHSA-8q59-q68h-6hv4
6
reference_url https://github.com/pypa/advisory-database/tree/main/vulns/pyyaml/PYSEC-2021-142.yaml
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/pypa/advisory-database/tree/main/vulns/pyyaml/PYSEC-2021-142.yaml
7
reference_url https://github.com/SeldonIO/seldon-core/issues/2252
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/SeldonIO/seldon-core/issues/2252
8
reference_url https://github.com/yaml/pyyaml
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/yaml/pyyaml
9
reference_url https://github.com/yaml/pyyaml/commit/a001f2782501ad2d24986959f0239a354675f9dc
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/yaml/pyyaml/commit/a001f2782501ad2d24986959f0239a354675f9dc
10
reference_url https://github.com/yaml/pyyaml/issues/420
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/yaml/pyyaml/issues/420
11
reference_url https://github.com/yaml/pyyaml/issues/420#issuecomment-663673966
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/yaml/pyyaml/issues/420#issuecomment-663673966
12
reference_url https://nvd.nist.gov/vuln/detail/CVE-2020-14343
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2020-14343
13
reference_url https://pypi.org/project/PyYAML
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://pypi.org/project/PyYAML
14
reference_url https://www.oracle.com/security-alerts/cpuapr2022.html
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://www.oracle.com/security-alerts/cpuapr2022.html
15
reference_url https://www.oracle.com/security-alerts/cpujul2022.html
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value 9.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
2
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://www.oracle.com/security-alerts/cpujul2022.html
16
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=966233
reference_id 966233
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=966233
17
reference_url https://security.archlinux.org/AVG-1459
reference_id AVG-1459
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-1459
18
reference_url https://security.gentoo.org/glsa/202402-33
reference_id GLSA-202402-33
reference_type
scores
url https://security.gentoo.org/glsa/202402-33
19
reference_url https://access.redhat.com/errata/RHSA-2021:2583
reference_id RHSA-2021:2583
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:2583
20
reference_url https://access.redhat.com/errata/RHSA-2021:4702
reference_id RHSA-2021:4702
reference_type
scores
url https://access.redhat.com/errata/RHSA-2021:4702
21
reference_url https://usn.ubuntu.com/4940-1/
reference_id USN-4940-1
reference_type
scores
url https://usn.ubuntu.com/4940-1/
fixed_packages
0
url pkg:deb/debian/pyyaml@5.3.1-4?distro=trixie
purl pkg:deb/debian/pyyaml@5.3.1-4?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/pyyaml@5.3.1-4%3Fdistro=trixie
1
url pkg:deb/debian/pyyaml@5.3.1-5?distro=trixie
purl pkg:deb/debian/pyyaml@5.3.1-5?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/pyyaml@5.3.1-5%3Fdistro=trixie
2
url pkg:deb/debian/pyyaml@6.0-3?distro=trixie
purl pkg:deb/debian/pyyaml@6.0-3?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/pyyaml@6.0-3%3Fdistro=trixie
3
url pkg:deb/debian/pyyaml@6.0.2-1?distro=trixie
purl pkg:deb/debian/pyyaml@6.0.2-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/pyyaml@6.0.2-1%3Fdistro=trixie
4
url pkg:deb/debian/pyyaml@6.0.3-1?distro=trixie
purl pkg:deb/debian/pyyaml@6.0.3-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/pyyaml@6.0.3-1%3Fdistro=trixie
aliases CVE-2020-14343, GHSA-8q59-q68h-6hv4, PYSEC-2021-142
risk_score 4.5
exploitability 0.5
weighted_severity 9.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-2wh2-rac2-53ax
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:deb/debian/pyyaml@5.3.1-4%3Fdistro=trixie