Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/6819?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/6819?format=api",
    "vulnerability_id": "VCID-a28u-yu15-3qa6",
    "summary": "Use After Free\nMultiple use-after-free vulnerabilities in libxml2 and possibly other versions might allow context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to the (1) htmlParseChunk and (2) xmldecl_done functions, as demonstrated by a buffer overflow in the xmlBufGetInputBase function.",
    "aliases": [
        {
            "alias": "CVE-2013-1969"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/929206?format=api",
            "purl": "pkg:deb/debian/libxml2@0?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libxml2@0%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/929198?format=api",
            "purl": "pkg:deb/debian/libxml2@2.9.10%2Bdfsg-6.7%2Bdeb11u4?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-62bb-e8vk-7uh4"
                },
                {
                    "vulnerability": "VCID-d1ar-1945-sygd"
                },
                {
                    "vulnerability": "VCID-knx8-5fpz-zbgn"
                },
                {
                    "vulnerability": "VCID-nj3a-zqw9-6bga"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libxml2@2.9.10%252Bdfsg-6.7%252Bdeb11u4%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/929196?format=api",
            "purl": "pkg:deb/debian/libxml2@2.9.14%2Bdfsg-1.3~deb12u5?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-62bb-e8vk-7uh4"
                },
                {
                    "vulnerability": "VCID-d1ar-1945-sygd"
                },
                {
                    "vulnerability": "VCID-knx8-5fpz-zbgn"
                },
                {
                    "vulnerability": "VCID-nj3a-zqw9-6bga"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libxml2@2.9.14%252Bdfsg-1.3~deb12u5%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/929200?format=api",
            "purl": "pkg:deb/debian/libxml2@2.12.7%2Bdfsg%2Breally2.9.14-2.1%2Bdeb13u2?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-62bb-e8vk-7uh4"
                },
                {
                    "vulnerability": "VCID-d1ar-1945-sygd"
                },
                {
                    "vulnerability": "VCID-knx8-5fpz-zbgn"
                },
                {
                    "vulnerability": "VCID-nj3a-zqw9-6bga"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libxml2@2.12.7%252Bdfsg%252Breally2.9.14-2.1%252Bdeb13u2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/929199?format=api",
            "purl": "pkg:deb/debian/libxml2@2.15.2%2Bdfsg-0.1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libxml2@2.15.2%252Bdfsg-0.1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/82960?format=api",
            "purl": "pkg:ebuild/app-emulation/emul-linux-x86-baselibs@20140406-r1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/app-emulation/emul-linux-x86-baselibs@20140406-r1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/76150?format=api",
            "purl": "pkg:ebuild/dev-libs/libxml2@2.9.1-r1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/dev-libs/libxml2@2.9.1-r1"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/20099?format=api",
            "purl": "pkg:nuget/libxml2@2.9.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-a28u-yu15-3qa6"
                },
                {
                    "vulnerability": "VCID-wksj-tx4y-cye7"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/libxml2@2.9.0"
        }
    ],
    "references": [
        {
            "reference_url": "http://lists.opensuse.org/opensuse-updates/2013-04/msg00109.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://lists.opensuse.org/opensuse-updates/2013-04/msg00109.html"
        },
        {
            "reference_url": "http://lists.opensuse.org/opensuse-updates/2013-06/msg00081.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://lists.opensuse.org/opensuse-updates/2013-06/msg00081.html"
        },
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-1969.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-1969.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2013-1969",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.76456",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.76355",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.76358",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.76388",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.7637",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.76402",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.76417",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.76442",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.7642",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00954",
                    "scoring_system": "epss",
                    "scoring_elements": "0.76415",
                    "published_at": "2026-04-13T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2013-1969"
        },
        {
            "reference_url": "https://bugzilla.gnome.org/show_bug.cgi?id=690202",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.gnome.org/show_bug.cgi?id=690202"
        },
        {
            "reference_url": "http://secunia.com/advisories/53061",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://secunia.com/advisories/53061"
        },
        {
            "reference_url": "https://git.gnome.org/browse/libxml2/commit/?id=de0cc20c29cb3f056062925395e0f68d2250a46f",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://git.gnome.org/browse/libxml2/commit/?id=de0cc20c29cb3f056062925395e0f68d2250a46f"
        },
        {
            "reference_url": "http://www.openwall.com/lists/oss-security/2013/04/17/4",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.openwall.com/lists/oss-security/2013/04/17/4"
        },
        {
            "reference_url": "http://www.openwall.com/lists/oss-security/2013/04/19/1",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.openwall.com/lists/oss-security/2013/04/19/1"
        },
        {
            "reference_url": "http://www.ubuntu.com/usn/USN-1817-1",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.ubuntu.com/usn/USN-1817-1"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=953722",
            "reference_id": "953722",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=953722"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:xmlsoft:libxml2:2.9.0:*:*:*:*:*:*:*",
            "reference_id": "cpe:2.3:a:xmlsoft:libxml2:2.9.0:*:*:*:*:*:*:*",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:xmlsoft:libxml2:2.9.0:*:*:*:*:*:*:*"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1969",
            "reference_id": "CVE-2013-1969",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.5",
                    "scoring_system": "cvssv2",
                    "scoring_elements": "AV:N/AC:L/Au:N/C:P/I:P/A:P"
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1969"
        },
        {
            "reference_url": "https://security.gentoo.org/glsa/201311-06",
            "reference_id": "GLSA-201311-06",
            "reference_type": "",
            "scores": [],
            "url": "https://security.gentoo.org/glsa/201311-06"
        },
        {
            "reference_url": "https://security.gentoo.org/glsa/201412-11",
            "reference_id": "GLSA-201412-11",
            "reference_type": "",
            "scores": [],
            "url": "https://security.gentoo.org/glsa/201412-11"
        },
        {
            "reference_url": "https://usn.ubuntu.com/1817-1/",
            "reference_id": "USN-1817-1",
            "reference_type": "",
            "scores": [],
            "url": "https://usn.ubuntu.com/1817-1/"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 1035,
            "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."
        },
        {
            "cwe_id": 937,
            "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."
        },
        {
            "cwe_id": 216,
            "name": "DEPRECATED: Containment Errors (Container Errors)",
            "description": "This entry has been deprecated, as it was not effective as a weakness and was structured more like a category. In addition, the name is inappropriate, since the container term is widely understood by developers in different ways than originally intended by PLOVER, the original source for this entry."
        },
        {
            "cwe_id": 416,
            "name": "Use After Free",
            "description": "Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code."
        },
        {
            "cwe_id": 399,
            "name": "Resource Management Errors",
            "description": "Weaknesses in this category are related to improper management of system resources."
        }
    ],
    "exploits": [],
    "severity_range_score": "7.5 - 7.5",
    "exploitability": "0.5",
    "weighted_severity": "6.8",
    "risk_score": 3.4,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-a28u-yu15-3qa6"
}