Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/82463?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/82463?format=api", "vulnerability_id": "VCID-vhp1-5zpy-rfdt", "summary": "libpng: hardcoded value leads to heap-overflow", "aliases": [ { "alias": "CVE-2021-4214" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/20001?format=api", "purl": "pkg:nuget/libpng@1.6.18.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1h1a-mpgm-w3hf" }, { "vulnerability": "VCID-8g2j-rqsk-zqfh" }, { "vulnerability": "VCID-cu24-1rcd-93g3" }, { "vulnerability": "VCID-zetn-zwnv-u7gf" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/libpng@1.6.18.1" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/993925?format=api", "purl": "pkg:conan/libpng@1.6.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-vhp1-5zpy-rfdt" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:conan/libpng@1.6.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/20513?format=api", "purl": "pkg:nuget/libpng@1.6.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3ggs-vja8-r3de" }, { "vulnerability": "VCID-cu24-1rcd-93g3" }, { "vulnerability": "VCID-had5-3tnv-k3hm" }, { "vulnerability": "VCID-mxh6-rpb3-tbbq" }, { "vulnerability": "VCID-nhbw-6tpy-pbh3" }, { "vulnerability": "VCID-vhp1-5zpy-rfdt" }, { "vulnerability": "VCID-zetn-zwnv-u7gf" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/libpng@1.6.0" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4214.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4214.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-4214", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32438", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32583", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32619", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32442", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.3249", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32518", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32521", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32483", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32457", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32492", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.3247", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32002", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.31995", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.32004", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.31909", "published_at": "2026-05-11T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.31933", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.0013", "scoring_system": "epss", "scoring_elements": "0.31929", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00223", "scoring_system": "epss", "scoring_elements": "0.44793", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00233", "scoring_system": "epss", "scoring_elements": "0.46137", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00233", "scoring_system": "epss", "scoring_elements": "0.46145", "published_at": "2026-04-26T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-4214" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4214", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4214" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/glennrp/libpng/issues/302", "reference_id": "", "reference_type": "", "scores": [], "url": "https://github.com/glennrp/libpng/issues/302" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2043393", "reference_id": "2043393", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2043393" }, { "reference_url": "https://access.redhat.com/security/cve/CVE-2021-4214", "reference_id": "CVE-2021-4214", "reference_type": "", "scores": [], "url": "https://access.redhat.com/security/cve/CVE-2021-4214" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4214", "reference_id": "CVE-2021-4214", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4214" }, { "reference_url": "https://security-tracker.debian.org/tracker/CVE-2021-4214", "reference_id": "CVE-2021-4214", "reference_type": "", "scores": [], "url": "https://security-tracker.debian.org/tracker/CVE-2021-4214" } ], "weaknesses": [ { "cwe_id": 120, "name": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "description": "The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." } ], "exploits": [], "severity_range_score": "3.3 - 5.5", "exploitability": "0.5", "weighted_severity": "5.0", "risk_score": 2.5, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-vhp1-5zpy-rfdt" }