Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/155756?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/155756?format=api", "purl": "pkg:npm/node-expat@2.1.0", "type": "npm", "namespace": "", "name": "node-expat", "version": "2.1.0", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "2.3.0", "latest_non_vulnerable_version": "2.3.0", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/7425?format=api", "vulnerability_id": "VCID-6c4q-2my8-aqbc", "summary": "Uncontrolled Resource Consumption\nThe XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5300.json", "reference_id": "", "reference_type": "", "scores": [], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5300.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2016-5300", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.8445", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.84437", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.84432", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.84428", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.84356", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.8437", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.8439", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.84393", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.84414", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.02202", "scoring_system": "epss", "scoring_elements": "0.84419", "published_at": "2026-04-09T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2016-5300" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6702", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6702" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5300", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5300" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.3", "scoring_system": "cvssv2", "scoring_elements": "AV:N/AC:M/Au:N/C:P/I:N/A:N" }, { "value": "6.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10365", "reference_id": "", "reference_type": "", "scores": [], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10365" }, { "reference_url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E" }, { "reference_url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E" }, { "reference_url": "https://source.android.com/security/bulletin/2016-11-01.html", "reference_id": "", "reference_type": "", "scores": [], "url": "https://source.android.com/security/bulletin/2016-11-01.html" }, { "reference_url": "https://www.tenable.com/security/tns-2016-20", "reference_id": "", "reference_type": "", "scores": [], "url": "https://www.tenable.com/security/tns-2016-20" }, { "reference_url": "http://www.debian.org/security/2016/dsa-3597", "reference_id": "", "reference_type": "", "scores": [], "url": "http://www.debian.org/security/2016/dsa-3597" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2016/06/04/4", "reference_id": "", "reference_type": "", "scores": [], "url": "http://www.openwall.com/lists/oss-security/2016/06/04/4" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2016/06/04/5", "reference_id": "", "reference_type": "", "scores": [], "url": "http://www.openwall.com/lists/oss-security/2016/06/04/5" }, { "reference_url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html", "reference_id": "", "reference_type": "", "scores": [], "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html" }, { "reference_url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html", "reference_id": "", "reference_type": "", "scores": [], "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html" }, { "reference_url": "http://www.securityfocus.com/bid/91159", "reference_id": "", "reference_type": "", "scores": [], "url": "http://www.securityfocus.com/bid/91159" }, { "reference_url": "http://www.ubuntu.com/usn/USN-3010-1", "reference_id": "", "reference_type": "", "scores": [], "url": "http://www.ubuntu.com/usn/USN-3010-1" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1343085", "reference_id": "1343085", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1343085" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "reference_id": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "reference_id": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "reference_id": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:4.4.4:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:google:android:4.4.4:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:4.4.4:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2016-5300", "reference_id": "CVE-2016-5300", "reference_type": "", "scores": [ { "value": "7.8", "scoring_system": "cvssv2", "scoring_elements": "AV:N/AC:L/Au:N/C:N/I:N/A:C" }, { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-5300" }, { "reference_url": "https://security.gentoo.org/glsa/201701-21", "reference_id": "GLSA-201701-21", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/201701-21" }, { "reference_url": "https://usn.ubuntu.com/3010-1/", "reference_id": "USN-3010-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/3010-1/" }, { "reference_url": "https://usn.ubuntu.com/3013-1/", "reference_id": "USN-3013-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/3013-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/22616?format=api", "purl": "pkg:npm/node-expat@2.2.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-naf7-p1jf-z3ds" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/node-expat@2.2.0" } ], "aliases": [ "CVE-2016-5300" ], "risk_score": 3.5, "exploitability": "0.5", "weighted_severity": "7.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-6c4q-2my8-aqbc" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/10808?format=api", "vulnerability_id": "VCID-naf7-p1jf-z3ds", "summary": "Improper Restriction of XML External Entity Reference\n`libexpat` in Expat, XML input including XML names that contain many colons could make the XML parser consume a high amount of RAM and CPU resources while processing, leading to a possible denial-of-service attack.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20843.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20843.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2018-20843", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.05584", "scoring_system": "epss", "scoring_elements": "0.90308", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.05584", "scoring_system": "epss", "scoring_elements": "0.90301", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.05584", "scoring_system": "epss", "scoring_elements": "0.90318", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.05584", "scoring_system": "epss", "scoring_elements": "0.90302", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.05584", "scoring_system": "epss", "scoring_elements": "0.90309", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.05686", "scoring_system": "epss", "scoring_elements": "0.90359", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.05686", "scoring_system": "epss", "scoring_elements": "0.90392", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.05686", "scoring_system": "epss", "scoring_elements": "0.90378", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.05686", "scoring_system": "epss", "scoring_elements": "0.90374", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.05686", "scoring_system": "epss", "scoring_elements": "0.90361", "published_at": "2026-04-02T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-20843" }, { "reference_url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226", "reference_id": "", "reference_type": "", "scores": [ { "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" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/" } ], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20843", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20843" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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/libexpat/libexpat/issues/186", "reference_id": "", "reference_type": "", "scores": [ { "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" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/" } ], "url": "https://github.com/libexpat/libexpat/issues/186" }, { "reference_url": "https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6", "reference_id": "11f8838bf99ea0a6f0b76f9760c43704d00c4ff6", "reference_type": "", "scores": [ { "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" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/" } ], "url": "https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1723723", "reference_id": "1723723", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1723723" }, { "reference_url": 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