GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/87479?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/87479?format=api",
    "vulnerability_id": "VCID-htma-1pgz-uudn",
    "summary": "kernel: excessive in kernel CPU consumption when creating large nested epoll structures",
    "aliases": [
        {
            "alias": "CVE-2011-1083"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127327?format=api",
            "purl": "pkg:rpm/redhat/kernel@2.6.18-308?arch=el5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-htma-1pgz-uudn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel@2.6.18-308%3Farch=el5"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/125903?format=api",
            "purl": "pkg:rpm/redhat/kernel@2.6.32-220.24.1?arch=el6",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-bnfb-r9a7-yudt"
                },
                {
                    "vulnerability": "VCID-htma-1pgz-uudn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel@2.6.32-220.24.1%3Farch=el6"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/126620?format=api",
            "purl": "pkg:rpm/redhat/kernel@2.6.32-279?arch=el6",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-9a7h-rc7a-kufu"
                },
                {
                    "vulnerability": "VCID-htma-1pgz-uudn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel@2.6.32-279%3Farch=el6"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127328?format=api",
            "purl": "pkg:rpm/redhat/kernel-rt@3.0.25-rt44.57?arch=el6rt",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-htma-1pgz-uudn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel-rt@3.0.25-rt44.57%3Farch=el6rt"
        }
    ],
    "references": [
        {
            "reference_url": "http://article.gmane.org/gmane.linux.kernel/1105744",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://article.gmane.org/gmane.linux.kernel/1105744"
        },
        {
            "reference_url": "http://article.gmane.org/gmane.linux.kernel/1105888",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://article.gmane.org/gmane.linux.kernel/1105888"
        },
        {
            "reference_url": "http://article.gmane.org/gmane.linux.kernel/1106686",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://article.gmane.org/gmane.linux.kernel/1106686"
        },
        {
            "reference_url": "http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html"
        },
        {
            "reference_url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html"
        },
        {
            "reference_url": "http://openwall.com/lists/oss-security/2011/03/02/1",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://openwall.com/lists/oss-security/2011/03/02/1"
        },
        {
            "reference_url": "http://openwall.com/lists/oss-security/2011/03/02/2",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://openwall.com/lists/oss-security/2011/03/02/2"
        },
        {
            "reference_url": "http://rhn.redhat.com/errata/RHSA-2012-0862.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://rhn.redhat.com/errata/RHSA-2012-0862.html"
        },
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1083.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1083.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2011-1083",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.34723",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35022",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35221",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35249",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.3513",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35175",
                    "published_at": "2026-04-08T12:55:00Z"
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                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35201",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35205",
                    "published_at": "2026-04-11T12:55:00Z"
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                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.3517",
                    "published_at": "2026-04-18T12:55:00Z"
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                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35146",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35184",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35121",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.34887",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.34868",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.34779",
                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.00147",
                    "scoring_system": "epss",
                    "scoring_elements": "0.34651",
                    "published_at": "2026-05-05T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-1083"
        },
        {
            "reference_url": "http://secunia.com/advisories/43522",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://secunia.com/advisories/43522"
        },
        {
            "reference_url": "http://secunia.com/advisories/48115",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://secunia.com/advisories/48115"
        },
        {
            "reference_url": "http://secunia.com/advisories/48410",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://secunia.com/advisories/48410"
        },
        {
            "reference_url": "http://secunia.com/advisories/48898",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://secunia.com/advisories/48898"
        },
        {
            "reference_url": "http://secunia.com/advisories/48964",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://secunia.com/advisories/48964"
        },
        {
            "reference_url": "http://www.osvdb.org/71265",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.osvdb.org/71265"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=681578",
            "reference_id": "681578",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=681578"
        },
        {
            "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:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*",
            "reference_id": "cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*",
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            "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*",
            "reference_id": "cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*",
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            "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*",
            "reference_id": "cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*",
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            "scores": [],
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        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*",
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        {
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        {
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        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*",
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        },
        {
            "reference_url": "https://www.securityfocus.com/bid/46630/info",
            "reference_id": "CVE-2011-1082;OSVDB-73053",
            "reference_type": "exploit",
            "scores": [],
            "url": "https://www.securityfocus.com/bid/46630/info"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1083",
            "reference_id": "CVE-2011-1083",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.9",
                    "scoring_system": "cvssv2",
                    "scoring_elements": "AV:L/AC:L/Au:N/C:N/I:N/A:C"
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1083"
        },
        {
            "reference_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/35403.c",
            "reference_id": "CVE-2011-1083;OSVDB-71265",
            "reference_type": "exploit",
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            "url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/35403.c"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2012:0150",
            "reference_id": "RHSA-2012:0150",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2012:0150"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2012:0862",
            "reference_id": "RHSA-2012:0862",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2012:0862"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2012:1129",
            "reference_id": "RHSA-2012:1129",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2012:1129"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 400,
            "name": "Uncontrolled Resource Consumption",
            "description": "The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources."
        }
    ],
    "exploits": [
        {
            "date_added": "2011-03-02",
            "description": "Linux Kernel 2.6.x - epoll Nested Structures Local Denial of Service",
            "required_action": null,
            "due_date": null,
            "notes": null,
            "known_ransomware_campaign_use": true,
            "source_date_published": "2011-03-02",
            "exploit_type": "dos",
            "platform": "linux",
            "source_date_updated": "2016-09-06",
            "data_source": "Exploit-DB",
            "source_url": "https://www.securityfocus.com/bid/46630/info"
        }
    ],
    "severity_range_score": "4.9 - 4.9",
    "exploitability": "2.0",
    "weighted_severity": "4.4",
    "risk_score": 8.8,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-htma-1pgz-uudn"
}