Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/1251?format=api",
    "vulnerability_id": "VCID-zubq-2vj3-zycc",
    "summary": "Mozilla developers :Gijs (he/him), Randell Jesup reported memory safety bugs present in Firefox 76. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.",
    "aliases": [
        {
            "alias": "CVE-2020-12411"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/2681?format=api",
            "purl": "pkg:alpm/archlinux/firefox@77.0-1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@77.0-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/94551?format=api",
            "purl": "pkg:deb/debian/firefox@77.0-1?distro=sid",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@77.0-1%3Fdistro=sid"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/94464?format=api",
            "purl": "pkg:deb/debian/firefox@151.0.3-1?distro=sid",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@151.0.3-1%3Fdistro=sid"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/2680?format=api",
            "purl": "pkg:alpm/archlinux/firefox@76.0.1-1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-4qav-6sgf-1qfc"
                },
                {
                    "vulnerability": "VCID-8rd2-145r-8uf5"
                },
                {
                    "vulnerability": "VCID-bhx1-4c5t-nfbd"
                },
                {
                    "vulnerability": "VCID-kzju-7twc-fya8"
                },
                {
                    "vulnerability": "VCID-qkma-a8c1-2kaa"
                },
                {
                    "vulnerability": "VCID-u3t9-ty7y-vkb8"
                },
                {
                    "vulnerability": "VCID-xcz4-bmu6-kfe2"
                },
                {
                    "vulnerability": "VCID-zubq-2vj3-zycc"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@76.0.1-1"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-12411",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00375",
                    "scoring_system": "epss",
                    "scoring_elements": "0.59447",
                    "published_at": "2026-06-04T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-12411"
        },
        {
            "reference_url": "https://security.archlinux.org/ASA-202006-1",
            "reference_id": "ASA-202006-1",
            "reference_type": "",
            "scores": [],
            "url": "https://security.archlinux.org/ASA-202006-1"
        },
        {
            "reference_url": "https://security.archlinux.org/AVG-1173",
            "reference_id": "AVG-1173",
            "reference_type": "",
            "scores": [
                {
                    "value": "High",
                    "scoring_system": "archlinux",
                    "scoring_elements": ""
                }
            ],
            "url": "https://security.archlinux.org/AVG-1173"
        },
        {
            "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-20",
            "reference_id": "mfsa2020-20",
            "reference_type": "",
            "scores": [
                {
                    "value": "high",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-20"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": "7.0 - 8.9",
    "exploitability": "0.5",
    "weighted_severity": "8.0",
    "risk_score": 4.0,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-zubq-2vj3-zycc"
}