GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/87526?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/87526?format=api",
    "vulnerability_id": "VCID-uxye-sz24-dqd4",
    "summary": "kernel: av7110 negative array offset",
    "aliases": [
        {
            "alias": "CVE-2011-0521"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127402?format=api",
            "purl": "pkg:rpm/redhat/kernel@2.6.9-100?arch=EL",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-mbz2-9g8q-u7e5"
                },
                {
                    "vulnerability": "VCID-uxye-sz24-dqd4"
                },
                {
                    "vulnerability": "VCID-xr4s-smmp-fubc"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel@2.6.9-100%3Farch=EL"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127294?format=api",
            "purl": "pkg:rpm/redhat/kernel@2.6.18-238.9.1?arch=el5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2v2h-1vgg-qubq"
                },
                {
                    "vulnerability": "VCID-gwyq-wkdy-5fba"
                },
                {
                    "vulnerability": "VCID-h9a4-7v2b-9kg2"
                },
                {
                    "vulnerability": "VCID-peud-25dw-4ud9"
                },
                {
                    "vulnerability": "VCID-uxye-sz24-dqd4"
                },
                {
                    "vulnerability": "VCID-wye8-98he-4bcv"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel@2.6.18-238.9.1%3Farch=el5"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127355?format=api",
            "purl": "pkg:rpm/redhat/kernel@2.6.32-71.24.1?arch=el6",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1n7j-hq91-qqgy"
                },
                {
                    "vulnerability": "VCID-2v2h-1vgg-qubq"
                },
                {
                    "vulnerability": "VCID-4trp-muyy-ufez"
                },
                {
                    "vulnerability": "VCID-8zmc-qqfc-m7e1"
                },
                {
                    "vulnerability": "VCID-ccy6-xxzm-vbb4"
                },
                {
                    "vulnerability": "VCID-dg9k-nfvc-k7en"
                },
                {
                    "vulnerability": "VCID-gwyq-wkdy-5fba"
                },
                {
                    "vulnerability": "VCID-h9a4-7v2b-9kg2"
                },
                {
                    "vulnerability": "VCID-ku5j-hkct-aug2"
                },
                {
                    "vulnerability": "VCID-uxye-sz24-dqd4"
                },
                {
                    "vulnerability": "VCID-xr4s-smmp-fubc"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel@2.6.32-71.24.1%3Farch=el6"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127401?format=api",
            "purl": "pkg:rpm/redhat/kernel-rt@2.6.33.7-rt29.55?arch=el5rt",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-13jv-4raj-3bc6"
                },
                {
                    "vulnerability": "VCID-1bhm-5xj1-duh8"
                },
                {
                    "vulnerability": "VCID-1d5z-ugrh-s7bj"
                },
                {
                    "vulnerability": "VCID-2v2h-1vgg-qubq"
                },
                {
                    "vulnerability": "VCID-57xt-prud-ruga"
                },
                {
                    "vulnerability": "VCID-6x7p-5tt7-5fdv"
                },
                {
                    "vulnerability": "VCID-ccy6-xxzm-vbb4"
                },
                {
                    "vulnerability": "VCID-dg9k-nfvc-k7en"
                },
                {
                    "vulnerability": "VCID-ek2s-wkm1-4ygb"
                },
                {
                    "vulnerability": "VCID-ewd8-ytvq-h7aw"
                },
                {
                    "vulnerability": "VCID-gwuw-j14j-dffw"
                },
                {
                    "vulnerability": "VCID-k9ct-x12b-cfd6"
                },
                {
                    "vulnerability": "VCID-mcdj-296n-1kc9"
                },
                {
                    "vulnerability": "VCID-qraj-ye4g-8qdr"
                },
                {
                    "vulnerability": "VCID-uk6m-rq4u-nugy"
                },
                {
                    "vulnerability": "VCID-uxye-sz24-dqd4"
                },
                {
                    "vulnerability": "VCID-xr4s-smmp-fubc"
                },
                {
                    "vulnerability": "VCID-ydtx-ae9c-eqah"
                },
                {
                    "vulnerability": "VCID-zumd-vknc-87ba"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel-rt@2.6.33.7-rt29.55%3Farch=el5rt"
        }
    ],
    "references": [
        {
            "reference_url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cb26a24ee9706473f31d34cc259f4dcf45cd0644",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cb26a24ee9706473f31d34cc259f4dcf45cd0644"
        },
        {
            "reference_url": "http://openwall.com/lists/oss-security/2011/01/24/2",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://openwall.com/lists/oss-security/2011/01/24/2"
        },
        {
            "reference_url": "http://openwall.com/lists/oss-security/2011/01/25/2",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://openwall.com/lists/oss-security/2011/01/25/2"
        },
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-0521.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-0521.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2011-0521",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00055",
                    "scoring_system": "epss",
                    "scoring_elements": "0.17016",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.00055",
                    "scoring_system": "epss",
                    "scoring_elements": "0.17202",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
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                    "scoring_system": "epss",
                    "scoring_elements": "0.1737",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
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                    "scoring_elements": "0.17416",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
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                    "scoring_elements": "0.17196",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
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                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
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                    "scoring_elements": "0.17346",
                    "published_at": "2026-04-09T12:55:00Z"
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                {
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                    "scoring_system": "epss",
                    "scoring_elements": "0.17359",
                    "published_at": "2026-04-11T12:55:00Z"
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                {
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                    "scoring_elements": "0.1731",
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                {
                    "value": "0.00055",
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                    "published_at": "2026-04-13T12:55:00Z"
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                {
                    "value": "0.00055",
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                    "scoring_elements": "0.17191",
                    "published_at": "2026-04-16T12:55:00Z"
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                {
                    "value": "0.00055",
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                    "scoring_elements": "0.17198",
                    "published_at": "2026-04-18T12:55:00Z"
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                {
                    "value": "0.00055",
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                    "scoring_elements": "0.17231",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00055",
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                    "scoring_elements": "0.17136",
                    "published_at": "2026-04-24T12:55:00Z"
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                {
                    "value": "0.00055",
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                    "published_at": "2026-04-26T12:55:00Z"
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                {
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                    "published_at": "2026-04-29T12:55:00Z"
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                    "published_at": "2026-05-05T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-0521"
        },
        {
            "reference_url": "http://secunia.com/advisories/43009",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://secunia.com/advisories/43009"
        },
        {
            "reference_url": "http://secunia.com/advisories/46397",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://secunia.com/advisories/46397"
        },
        {
            "reference_url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64988",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64988"
        },
        {
            "reference_url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc2",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc2"
        },
        {
            "reference_url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"
        },
        {
            "reference_url": "http://www.securityfocus.com/bid/45986",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.securityfocus.com/bid/45986"
        },
        {
            "reference_url": "http://www.securitytracker.com/id?1025195",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.securitytracker.com/id?1025195"
        },
        {
            "reference_url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=672398",
            "reference_id": "672398",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=672398"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
            "reference_id": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:linux:linux_kernel:2.6.38:-:*:*:*:*:*:*",
            "reference_id": "cpe:2.3:o:linux:linux_kernel:2.6.38:-:*:*:*:*:*:*",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:linux:linux_kernel:2.6.38:-:*:*:*:*:*:*"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:linux:linux_kernel:2.6.38:rc1:*:*:*:*:*:*",
            "reference_id": "cpe:2.3:o:linux:linux_kernel:2.6.38:rc1:*:*:*:*:*:*",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:linux:linux_kernel:2.6.38:rc1:*:*:*:*:*:*"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2011-0521",
            "reference_id": "CVE-2011-0521",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.2",
                    "scoring_system": "cvssv2",
                    "scoring_elements": "AV:L/AC:L/Au:N/C:C/I:C/A:C"
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-0521"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2011:0263",
            "reference_id": "RHSA-2011:0263",
            "reference_type": "",
            "scores": [],
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        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2011:0330",
            "reference_id": "RHSA-2011:0330",
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        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2011:0421",
            "reference_id": "RHSA-2011:0421",
            "reference_type": "",
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            "reference_url": "https://access.redhat.com/errata/RHSA-2011:0429",
            "reference_id": "RHSA-2011:0429",
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        {
            "reference_url": "https://usn.ubuntu.com/1093-1/",
            "reference_id": "USN-1093-1",
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            "scores": [],
            "url": "https://usn.ubuntu.com/1093-1/"
        },
        {
            "reference_url": "https://usn.ubuntu.com/1111-1/",
            "reference_id": "USN-1111-1",
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            "scores": [],
            "url": "https://usn.ubuntu.com/1111-1/"
        },
        {
            "reference_url": "https://usn.ubuntu.com/1133-1/",
            "reference_id": "USN-1133-1",
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            "scores": [],
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        {
            "reference_url": "https://usn.ubuntu.com/1141-1/",
            "reference_id": "USN-1141-1",
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        {
            "reference_url": "https://usn.ubuntu.com/1160-1/",
            "reference_id": "USN-1160-1",
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        {
            "reference_url": "https://usn.ubuntu.com/1164-1/",
            "reference_id": "USN-1164-1",
            "reference_type": "",
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            "url": "https://usn.ubuntu.com/1164-1/"
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        {
            "reference_url": "https://usn.ubuntu.com/1187-1/",
            "reference_id": "USN-1187-1",
            "reference_type": "",
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        {
            "reference_url": "https://usn.ubuntu.com/1202-1/",
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            "url": "https://usn.ubuntu.com/1202-1/"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 119,
            "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer",
            "description": "The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer."
        }
    ],
    "exploits": [],
    "severity_range_score": "7.2 - 7.2",
    "exploitability": "0.5",
    "weighted_severity": "6.5",
    "risk_score": 3.2,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-uxye-sz24-dqd4"
}