Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/35414?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/35414?format=api",
    "vulnerability_id": "VCID-g4az-63th-yyhk",
    "summary": "Multiple vulnerabilities have been discovered in QEMU, the worst of which could result in remote code execution (guest sandbox escape).",
    "aliases": [
        {
            "alias": "CVE-2021-4145"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/937041?format=api",
            "purl": "pkg:deb/debian/qemu@0?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/qemu@0%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/937037?format=api",
            "purl": "pkg:deb/debian/qemu@1:5.2%2Bdfsg-11%2Bdeb11u3?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3kyg-9mf3-kfft"
                },
                {
                    "vulnerability": "VCID-46gg-8h8g-2kf5"
                },
                {
                    "vulnerability": "VCID-4mt9-kf9m-2fbz"
                },
                {
                    "vulnerability": "VCID-6qnt-yaa3-p3bb"
                },
                {
                    "vulnerability": "VCID-b6b6-s7cj-sygh"
                },
                {
                    "vulnerability": "VCID-cenj-mz55-jbg6"
                },
                {
                    "vulnerability": "VCID-d2ve-dnmj-4bbz"
                },
                {
                    "vulnerability": "VCID-ej5p-r4az-6ud2"
                },
                {
                    "vulnerability": "VCID-ewb7-nrtu-g7ex"
                },
                {
                    "vulnerability": "VCID-gc6n-kgsc-f3b6"
                },
                {
                    "vulnerability": "VCID-m47q-17n6-t7gg"
                },
                {
                    "vulnerability": "VCID-mtj9-1cns-yybw"
                },
                {
                    "vulnerability": "VCID-n71j-fz74-kyhf"
                },
                {
                    "vulnerability": "VCID-p2dz-mtns-5bb4"
                },
                {
                    "vulnerability": "VCID-ptty-88p4-ybe9"
                },
                {
                    "vulnerability": "VCID-pxjg-chmx-nkdc"
                },
                {
                    "vulnerability": "VCID-qh2s-apkz-sbaz"
                },
                {
                    "vulnerability": "VCID-t58m-9jqp-43c9"
                },
                {
                    "vulnerability": "VCID-t5gq-4bhn-gkej"
                },
                {
                    "vulnerability": "VCID-uzxc-npak-yyc4"
                },
                {
                    "vulnerability": "VCID-w7gc-1eh2-3ufu"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/qemu@1:5.2%252Bdfsg-11%252Bdeb11u3%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/937124?format=api",
            "purl": "pkg:deb/debian/qemu@1:6.2%2Bdfsg-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/qemu@1:6.2%252Bdfsg-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/937035?format=api",
            "purl": "pkg:deb/debian/qemu@1:7.2%2Bdfsg-7%2Bdeb12u18?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-46gg-8h8g-2kf5"
                },
                {
                    "vulnerability": "VCID-4mt9-kf9m-2fbz"
                },
                {
                    "vulnerability": "VCID-hkf8-96k7-kuc9"
                },
                {
                    "vulnerability": "VCID-m47q-17n6-t7gg"
                },
                {
                    "vulnerability": "VCID-n71j-fz74-kyhf"
                },
                {
                    "vulnerability": "VCID-t58m-9jqp-43c9"
                },
                {
                    "vulnerability": "VCID-uzxc-npak-yyc4"
                },
                {
                    "vulnerability": "VCID-vcun-y6d5-6uby"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/qemu@1:7.2%252Bdfsg-7%252Bdeb12u18%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/937040?format=api",
            "purl": "pkg:deb/debian/qemu@1:10.0.8%2Bds-0%2Bdeb13u1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1j9f-u62h-rug2"
                },
                {
                    "vulnerability": "VCID-46gg-8h8g-2kf5"
                },
                {
                    "vulnerability": "VCID-4mt9-kf9m-2fbz"
                },
                {
                    "vulnerability": "VCID-9szt-c829-zfdh"
                },
                {
                    "vulnerability": "VCID-b6b6-s7cj-sygh"
                },
                {
                    "vulnerability": "VCID-detn-3zsq-3qh7"
                },
                {
                    "vulnerability": "VCID-m47q-17n6-t7gg"
                },
                {
                    "vulnerability": "VCID-n71j-fz74-kyhf"
                },
                {
                    "vulnerability": "VCID-n9n4-prkb-f3c6"
                },
                {
                    "vulnerability": "VCID-vcun-y6d5-6uby"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/qemu@1:10.0.8%252Bds-0%252Bdeb13u1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/937038?format=api",
            "purl": "pkg:deb/debian/qemu@1:10.2.1%2Bds-1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-9szt-c829-zfdh"
                },
                {
                    "vulnerability": "VCID-detn-3zsq-3qh7"
                },
                {
                    "vulnerability": "VCID-m47q-17n6-t7gg"
                },
                {
                    "vulnerability": "VCID-vcun-y6d5-6uby"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/qemu@1:10.2.1%252Bds-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/937039?format=api",
            "purl": "pkg:deb/debian/qemu@1:10.2.2%2Bds-1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1j9f-u62h-rug2"
                },
                {
                    "vulnerability": "VCID-46gg-8h8g-2kf5"
                },
                {
                    "vulnerability": "VCID-4mt9-kf9m-2fbz"
                },
                {
                    "vulnerability": "VCID-b6b6-s7cj-sygh"
                },
                {
                    "vulnerability": "VCID-n9n4-prkb-f3c6"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/qemu@1:10.2.2%252Bds-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1076120?format=api",
            "purl": "pkg:deb/debian/qemu@1:11.0.0%2Bds-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/qemu@1:11.0.0%252Bds-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1103054?format=api",
            "purl": "pkg:deb/debian/qemu@1:11.0.0%2Bds-2?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/qemu@1:11.0.0%252Bds-2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/74097?format=api",
            "purl": "pkg:ebuild/app-emulation/qemu@7.0.0",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/app-emulation/qemu@7.0.0"
        }
    ],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4145.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "5.6",
                    "scoring_system": "cvssv3",
                    "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H"
                }
            ],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4145.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-4145",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.18066",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.18228",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.1828",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.17982",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.18067",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.18128",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.18135",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00058",
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                    "scoring_elements": "0.18091",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.18042",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.17985",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.17996",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00058",
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                    "scoring_elements": "0.17825",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.00058",
                    "scoring_system": "epss",
                    "scoring_elements": "0.1773",
                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.00059",
                    "scoring_system": "epss",
                    "scoring_elements": "0.18419",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00059",
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                    "scoring_elements": "0.18402",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00059",
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                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.00059",
                    "scoring_system": "epss",
                    "scoring_elements": "0.18523",
                    "published_at": "2026-04-21T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-4145"
        },
        {
            "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "5.6",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H"
                }
            ],
            "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2034602",
            "reference_id": "2034602",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2034602"
        },
        {
            "reference_url": "https://security.gentoo.org/glsa/202208-27",
            "reference_id": "GLSA-202208-27",
            "reference_type": "",
            "scores": [],
            "url": "https://security.gentoo.org/glsa/202208-27"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2022:1759",
            "reference_id": "RHSA-2022:1759",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2022:1759"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 476,
            "name": "NULL Pointer Dereference",
            "description": "A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit."
        }
    ],
    "exploits": [],
    "severity_range_score": "5.6 - 5.6",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-g4az-63th-yyhk"
}