Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/201994?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/201994?format=api", "vulnerability_id": "VCID-t7tf-z3dt-nyd5", "summary": "net/core/net_namespace.c in the Linux kernel 2.6.32 and earlier does not properly handle a high rate of creation and cleanup of network namespaces, which makes it easier for remote attackers to cause a denial of service (memory consumption) via requests to a daemon that requires a separate namespace per connection, as demonstrated by vsftpd.", "aliases": [ { "alias": "CVE-2011-2189" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/106941?format=api", "purl": "pkg:deb/debian/vsftpd@2.3.4-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@2.3.4-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/1080004?format=api", "purl": "pkg:deb/debian/vsftpd@2.3.5-3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2ahs-8buu-e7eb" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@2.3.5-3" }, { "url": "http://public2.vulnerablecode.io/api/packages/106937?format=api", "purl": "pkg:deb/debian/vsftpd@3.0.3-12?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-t3yw-8rhv-jyer" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.3-12%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/106935?format=api", "purl": "pkg:deb/debian/vsftpd@3.0.3-13?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-t3yw-8rhv-jyer" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.3-13%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/106939?format=api", "purl": "pkg:deb/debian/vsftpd@3.0.5-0.2?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.5-0.2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/106938?format=api", "purl": "pkg:deb/debian/vsftpd@3.0.5-0.7?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.5-0.7%3Fdistro=trixie" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1079999?format=api", "purl": "pkg:deb/debian/vsftpd@1.0.0-2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1gb3-dq6f-kuea" }, { "vulnerability": "VCID-2ahs-8buu-e7eb" }, { "vulnerability": "VCID-spsu-fe6u-nqfz" }, { "vulnerability": "VCID-t7tf-z3dt-nyd5" }, { "vulnerability": "VCID-ue7m-kah5-nuee" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@1.0.0-2" }, { "url": "http://public2.vulnerablecode.io/api/packages/1080000?format=api", "purl": "pkg:deb/debian/vsftpd@2.0.3-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2ahs-8buu-e7eb" }, { "vulnerability": "VCID-t7tf-z3dt-nyd5" }, { "vulnerability": "VCID-ue7m-kah5-nuee" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@2.0.3-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/1080001?format=api", "purl": "pkg:deb/debian/vsftpd@2.0.5-2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2ahs-8buu-e7eb" }, { "vulnerability": "VCID-t7tf-z3dt-nyd5" }, { "vulnerability": "VCID-ue7m-kah5-nuee" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@2.0.5-2" }, { "url": "http://public2.vulnerablecode.io/api/packages/1080002?format=api", "purl": "pkg:deb/debian/vsftpd@2.0.7-1%2Blenny1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2ahs-8buu-e7eb" }, { "vulnerability": "VCID-t7tf-z3dt-nyd5" }, { "vulnerability": "VCID-ue7m-kah5-nuee" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@2.0.7-1%252Blenny1" }, { "url": "http://public2.vulnerablecode.io/api/packages/1080003?format=api", "purl": "pkg:deb/debian/vsftpd@2.3.2-3%2Bsqueeze2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2ahs-8buu-e7eb" }, { "vulnerability": "VCID-t7tf-z3dt-nyd5" }, { "vulnerability": "VCID-ue7m-kah5-nuee" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@2.3.2-3%252Bsqueeze2" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-2189.json", "reference_id": "", "reference_type": "", "scores": [], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-2189.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2011-2189", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.07624", "scoring_system": "epss", "scoring_elements": "0.92059", "published_at": "2026-06-11T12:55:00Z" }, { "value": "0.07624", "scoring_system": "epss", "scoring_elements": "0.92086", "published_at": "2026-06-12T12:55:00Z" }, { "value": "0.07624", "scoring_system": "epss", "scoring_elements": "0.92093", "published_at": "2026-06-13T12:55:00Z" }, { "value": "0.07624", "scoring_system": "epss", "scoring_elements": "0.9209", "published_at": "2026-06-14T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-2189" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2189", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2189" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629373", "reference_id": "629373", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629373" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=711245", "reference_id": "711245", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=711245" }, { "reference_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/36425.txt", "reference_id": "CVE-2011-2189;OSVDB-76805", "reference_type": "exploit", "scores": [], "url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/36425.txt" }, { "reference_url": "https://www.securityfocus.com/bid/50938/info", "reference_id": "CVE-2011-2189;OSVDB-76805", "reference_type": "exploit", "scores": [], "url": "https://www.securityfocus.com/bid/50938/info" }, { "reference_url": "https://usn.ubuntu.com/1288-1/", "reference_id": "USN-1288-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/1288-1/" } ], "weaknesses": [], "exploits": [ { "date_added": "2011-12-06", "description": "Linux Kernel 2.6.35 - Network Namespace Remote Denial of Service", "required_action": null, "due_date": null, "notes": null, "known_ransomware_campaign_use": true, "source_date_published": "2011-12-06", "exploit_type": "dos", "platform": "linux", "source_date_updated": "2015-03-19", "data_source": "Exploit-DB", "source_url": "https://www.securityfocus.com/bid/50938/info" } ], "severity_range_score": null, "exploitability": "2.0", "weighted_severity": "0.1", "risk_score": 0.2, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-t7tf-z3dt-nyd5" }