Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/87273?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/87273?format=api",
    "vulnerability_id": "VCID-4vr2-rn4g-bbep",
    "summary": "rsyslog: parseLegacySyslogMsg off-by-two buffer overflow",
    "aliases": [
        {
            "alias": "CVE-2011-3200"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/938028?format=api",
            "purl": "pkg:deb/debian/rsyslog@5.8.5-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
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        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/571452?format=api",
            "purl": "pkg:deb/debian/rsyslog@5.8.11-3%2Bdeb7u2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2vuy-ga2a-2ke4"
                },
                {
                    "vulnerability": "VCID-7eg3-vksv-9bga"
                },
                {
                    "vulnerability": "VCID-8mwn-2k1d-rkfz"
                },
                {
                    "vulnerability": "VCID-96hb-thus-r3f2"
                },
                {
                    "vulnerability": "VCID-g5b3-53m2-yug1"
                },
                {
                    "vulnerability": "VCID-qh6a-u11q-g3gp"
                },
                {
                    "vulnerability": "VCID-s9gb-bjme-gkaf"
                },
                {
                    "vulnerability": "VCID-ybfq-unp3-dbav"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/rsyslog@5.8.11-3%252Bdeb7u2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/938023?format=api",
            "purl": "pkg:deb/debian/rsyslog@8.2102.0-2%2Bdeb11u1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/rsyslog@8.2102.0-2%252Bdeb11u1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/938021?format=api",
            "purl": "pkg:deb/debian/rsyslog@8.2302.0-1%2Bdeb12u1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/rsyslog@8.2302.0-1%252Bdeb12u1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/938026?format=api",
            "purl": "pkg:deb/debian/rsyslog@8.2504.0-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/rsyslog@8.2504.0-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/938024?format=api",
            "purl": "pkg:deb/debian/rsyslog@8.2512.0-3?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/rsyslog@8.2512.0-3%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/938025?format=api",
            "purl": "pkg:deb/debian/rsyslog@8.2602.0-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/rsyslog@8.2602.0-1%3Fdistro=trixie"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/571449?format=api",
            "purl": "pkg:deb/debian/rsyslog@3.18.6-4",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2vuy-ga2a-2ke4"
                },
                {
                    "vulnerability": "VCID-4vr2-rn4g-bbep"
                },
                {
                    "vulnerability": "VCID-7eg3-vksv-9bga"
                },
                {
                    "vulnerability": "VCID-8mwn-2k1d-rkfz"
                },
                {
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                },
                {
                    "vulnerability": "VCID-cbts-ng32-67e7"
                },
                {
                    "vulnerability": "VCID-cq52-ykyq-qug5"
                },
                {
                    "vulnerability": "VCID-g5b3-53m2-yug1"
                },
                {
                    "vulnerability": "VCID-gg4f-gzty-y7e1"
                },
                {
                    "vulnerability": "VCID-pgy6-vbk7-hkg8"
                },
                {
                    "vulnerability": "VCID-qh6a-u11q-g3gp"
                },
                {
                    "vulnerability": "VCID-s9gb-bjme-gkaf"
                },
                {
                    "vulnerability": "VCID-ybfq-unp3-dbav"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/rsyslog@3.18.6-4"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/571450?format=api",
            "purl": "pkg:deb/debian/rsyslog@4.6.4-2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2vuy-ga2a-2ke4"
                },
                {
                    "vulnerability": "VCID-4vr2-rn4g-bbep"
                },
                {
                    "vulnerability": "VCID-7eg3-vksv-9bga"
                },
                {
                    "vulnerability": "VCID-8mwn-2k1d-rkfz"
                },
                {
                    "vulnerability": "VCID-96hb-thus-r3f2"
                },
                {
                    "vulnerability": "VCID-cbts-ng32-67e7"
                },
                {
                    "vulnerability": "VCID-cq52-ykyq-qug5"
                },
                {
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                },
                {
                    "vulnerability": "VCID-gg4f-gzty-y7e1"
                },
                {
                    "vulnerability": "VCID-pgy6-vbk7-hkg8"
                },
                {
                    "vulnerability": "VCID-qh6a-u11q-g3gp"
                },
                {
                    "vulnerability": "VCID-s9gb-bjme-gkaf"
                },
                {
                    "vulnerability": "VCID-ybfq-unp3-dbav"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/rsyslog@4.6.4-2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/571451?format=api",
            "purl": "pkg:deb/debian/rsyslog@4.6.4-2%2Bdeb6u2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2vuy-ga2a-2ke4"
                },
                {
                    "vulnerability": "VCID-4vr2-rn4g-bbep"
                },
                {
                    "vulnerability": "VCID-7eg3-vksv-9bga"
                },
                {
                    "vulnerability": "VCID-8mwn-2k1d-rkfz"
                },
                {
                    "vulnerability": "VCID-96hb-thus-r3f2"
                },
                {
                    "vulnerability": "VCID-cbts-ng32-67e7"
                },
                {
                    "vulnerability": "VCID-cq52-ykyq-qug5"
                },
                {
                    "vulnerability": "VCID-g5b3-53m2-yug1"
                },
                {
                    "vulnerability": "VCID-gg4f-gzty-y7e1"
                },
                {
                    "vulnerability": "VCID-pgy6-vbk7-hkg8"
                },
                {
                    "vulnerability": "VCID-qh6a-u11q-g3gp"
                },
                {
                    "vulnerability": "VCID-s9gb-bjme-gkaf"
                },
                {
                    "vulnerability": "VCID-ybfq-unp3-dbav"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/rsyslog@4.6.4-2%252Bdeb6u2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/126731?format=api",
            "purl": "pkg:rpm/redhat/rsyslog@4.6.2-3.el6_1?arch=2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-4vr2-rn4g-bbep"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/rsyslog@4.6.2-3.el6_1%3Farch=2"
        }
    ],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-3200.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-3200.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2011-3200",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.98556",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.98557",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.9856",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.98562",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.98565",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.98566",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.98568",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.98569",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.98574",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.6739",
                    "scoring_system": "epss",
                    "scoring_elements": "0.98575",
                    "published_at": "2026-04-18T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-3200"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3200",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3200"
        },
        {
            "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=644611",
            "reference_id": "644611",
            "reference_type": "",
            "scores": [],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=644611"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=727644",
            "reference_id": "727644",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=727644"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2011:1247",
            "reference_id": "RHSA-2011:1247",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2011:1247"
        },
        {
            "reference_url": "https://usn.ubuntu.com/1224-1/",
            "reference_id": "USN-1224-1",
            "reference_type": "",
            "scores": [],
            "url": "https://usn.ubuntu.com/1224-1/"
        }
    ],
    "weaknesses": [],
    "exploits": [
        {
            "date_added": null,
            "description": "This module triggers an off-by-two overflow in the\n        rsyslog daemon. This flaw is unlikely to yield code execution\n        but is effective at shutting down a remote log daemon. This bug\n        was introduced in version 4.6.0 and corrected in 4.6.8/5.8.5.\n        Compiler differences may prevent this bug from causing any\n        noticeable result on many systems (RHEL6 is affected).",
            "required_action": null,
            "due_date": null,
            "notes": "Stability:\n  - crash-service-down\nSideEffects: []\nReliability: []\n",
            "known_ransomware_campaign_use": false,
            "source_date_published": "2011-09-01",
            "exploit_type": null,
            "platform": "",
            "source_date_updated": null,
            "data_source": "Metasploit",
            "source_url": "https://github.com/rapid7/metasploit-framework/tree/master/modules/auxiliary/dos/syslog/rsyslog_long_tag.rb"
        }
    ],
    "severity_range_score": null,
    "exploitability": "2.0",
    "weighted_severity": "0.6",
    "risk_score": 1.2,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-4vr2-rn4g-bbep"
}