Lookup for vulnerable packages by Package URL.

GET /api/packages/4755?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/4755?format=api",
    "purl": "pkg:deb/debian/libevent@2.0.19-stable-3%2Bdeb7u1",
    "type": "deb",
    "namespace": "debian",
    "name": "libevent",
    "version": "2.0.19-stable-3+deb7u1",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "2.0.21-stable-3",
    "latest_non_vulnerable_version": "2.0.21-stable-3",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/75979?format=api",
            "vulnerability_id": "VCID-76bw-4hry-77bq",
            "summary": "The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-10195.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.0/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-2016-10195.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2016-10195",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.05932",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90793",
                            "published_at": "2026-06-04T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2016-10195"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10195",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10195"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10196",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10196"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10197",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10197"
                },
                {
                    "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "2.6",
                            "scoring_system": "cvssv2",
                            "scoring_elements": "AV:N/AC:H/Au:N/C:N/I:N/A:P"
                        }
                    ],
                    "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1418608",
                    "reference_id": "1418608",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1418608"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854092",
                    "reference_id": "854092",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854092"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201705-01",
                    "reference_id": "GLSA-201705-01",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/201705-01"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201802-03",
                    "reference_id": "GLSA-201802-03",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/201802-03"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2017:1104",
                    "reference_id": "RHSA-2017:1104",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2017:1104"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2017:1106",
                    "reference_id": "RHSA-2017:1106",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2017:1106"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2017:1201",
                    "reference_id": "RHSA-2017:1201",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2017:1201"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/4757?format=api",
                    "purl": "pkg:deb/debian/libevent@2.0.21-stable-2%2Bdeb8u1",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-h47s-xx3j-33eq"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.0.21-stable-2%252Bdeb8u1"
                }
            ],
            "aliases": [
                "CVE-2016-10195"
            ],
            "risk_score": 4.4,
            "exploitability": "0.5",
            "weighted_severity": "8.8",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-76bw-4hry-77bq"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/572?format=api",
            "vulnerability_id": "VCID-h47s-xx3j-33eq",
            "summary": "Three vulnerabilities were reported in the Libevent library that allow for out-of-bounds reads and denial of service (DoS) attacks. These were fixed in the Libevent library and these changes were ported to Mozilla code.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-10196.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "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://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-10196.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2016-10196",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.01697",
                            "scoring_system": "epss",
                            "scoring_elements": "0.82623",
                            "published_at": "2026-06-04T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2016-10196"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10195",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10195"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10196",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10196"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10197",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10197"
                },
                {
                    "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:N/I:N/A:P"
                        }
                    ],
                    "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1418611",
                    "reference_id": "1418611",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1418611"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854092",
                    "reference_id": "854092",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854092"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201705-01",
                    "reference_id": "GLSA-201705-01",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/201705-01"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201802-03",
                    "reference_id": "GLSA-201802-03",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/201802-03"
                },
                {
                    "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-10",
                    "reference_id": "mfsa2017-10",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "critical",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-10"
                },
                {
                    "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-11",
                    "reference_id": "mfsa2017-11",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "critical",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-11"
                },
                {
                    "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-12",
                    "reference_id": "mfsa2017-12",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "critical",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-12"
                },
                {
                    "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-13",
                    "reference_id": "mfsa2017-13",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "critical",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-13"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2017:1104",
                    "reference_id": "RHSA-2017:1104",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2017:1104"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2017:1106",
                    "reference_id": "RHSA-2017:1106",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2017:1106"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2017:1201",
                    "reference_id": "RHSA-2017:1201",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2017:1201"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/4757?format=api",
                    "purl": "pkg:deb/debian/libevent@2.0.21-stable-2%2Bdeb8u1",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-h47s-xx3j-33eq"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.0.21-stable-2%252Bdeb8u1"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/6312?format=api",
                    "purl": "pkg:deb/debian/libevent@2.0.21-stable-3",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.0.21-stable-3"
                }
            ],
            "aliases": [
                "CVE-2016-10196"
            ],
            "risk_score": 4.5,
            "exploitability": "0.5",
            "weighted_severity": "9.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-h47s-xx3j-33eq"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/75980?format=api",
            "vulnerability_id": "VCID-rhx2-e6nu-vyc9",
            "summary": "The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-10197.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "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://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-10197.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2016-10197",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.01987",
                            "scoring_system": "epss",
                            "scoring_elements": "0.83917",
                            "published_at": "2026-06-04T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2016-10197"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10195",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10195"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10196",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10196"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10197",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10197"
                },
                {
                    "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:N/I:N/A:P"
                        }
                    ],
                    "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1418612",
                    "reference_id": "1418612",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1418612"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854092",
                    "reference_id": "854092",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854092"
                },
                {
                    "reference_url": "https://security.archlinux.org/AVG-214",
                    "reference_id": "AVG-214",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "Low",
                            "scoring_system": "archlinux",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://security.archlinux.org/AVG-214"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201705-01",
                    "reference_id": "GLSA-201705-01",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/201705-01"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201802-03",
                    "reference_id": "GLSA-201802-03",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/201802-03"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2017:1104",
                    "reference_id": "RHSA-2017:1104",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2017:1104"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2017:1106",
                    "reference_id": "RHSA-2017:1106",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2017:1106"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2017:1201",
                    "reference_id": "RHSA-2017:1201",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2017:1201"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/4757?format=api",
                    "purl": "pkg:deb/debian/libevent@2.0.21-stable-2%2Bdeb8u1",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-h47s-xx3j-33eq"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.0.21-stable-2%252Bdeb8u1"
                }
            ],
            "aliases": [
                "CVE-2016-10197"
            ],
            "risk_score": 3.4,
            "exploitability": "0.5",
            "weighted_severity": "6.8",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-rhx2-e6nu-vyc9"
        }
    ],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/75977?format=api",
            "vulnerability_id": "VCID-9mdg-1dc3-dueg",
            "summary": "Multiple integer overflows in the evbuffer API in Libevent 1.4.x before 1.4.15, 2.0.x before 2.0.22, and 2.1.x before 2.1.5-beta allow context-dependent attackers to cause a denial of service or possibly have other unspecified impact via \"insanely large inputs\" to the (1) evbuffer_add, (2) evbuffer_expand, or (3) bufferevent_write function, which triggers a heap-based buffer overflow or an infinite loop.  NOTE: this identifier has been SPLIT per ADT3 due to different affected versions. See CVE-2015-6525 for the functions that are only affected in 2.0 and later.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2014-6272.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2014-6272.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2014-6272",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.01085",
                            "scoring_system": "epss",
                            "scoring_elements": "0.78223",
                            "published_at": "2026-06-04T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2014-6272"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6272",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6272"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6525",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6525"
                },
                {
                    "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "2.6",
                            "scoring_system": "cvssv2",
                            "scoring_elements": "AV:L/AC:H/Au:N/C:N/I:P/A:P"
                        }
                    ],
                    "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1144646",
                    "reference_id": "1144646",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1144646"
                },
                {
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                    "reference_type": "",
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                    "reference_type": "",
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}