Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/1182?format=api",
    "vulnerability_id": "VCID-4ew2-8ktk-pqbj",
    "summary": "JIT optimizations involving the Javascript arguments object could confuse later optimizations.\nThis risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity.",
    "aliases": [
        {
            "alias": "CVE-2020-15656"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/2643?format=api",
            "purl": "pkg:alpm/archlinux/firefox@79.0-1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@79.0-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/2647?format=api",
            "purl": "pkg:alpm/archlinux/thunderbird@68.12.0-1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/thunderbird@68.12.0-1"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/2642?format=api",
            "purl": "pkg:alpm/archlinux/firefox@78.0.2-1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2et1-ugmu-53fc"
                },
                {
                    "vulnerability": "VCID-4ew2-8ktk-pqbj"
                },
                {
                    "vulnerability": "VCID-9jdb-rk83-m7a3"
                },
                {
                    "vulnerability": "VCID-bg75-zcf2-sqh2"
                },
                {
                    "vulnerability": "VCID-cw2r-5yj4-yqd5"
                },
                {
                    "vulnerability": "VCID-hm4u-x2dp-rqcz"
                },
                {
                    "vulnerability": "VCID-kjrc-x799-ukfr"
                },
                {
                    "vulnerability": "VCID-q4fh-hp1h-xqh1"
                },
                {
                    "vulnerability": "VCID-rme4-tudc-5kd1"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@78.0.2-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/2646?format=api",
            "purl": "pkg:alpm/archlinux/thunderbird@68.11.0-1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2et1-ugmu-53fc"
                },
                {
                    "vulnerability": "VCID-4ew2-8ktk-pqbj"
                },
                {
                    "vulnerability": "VCID-9jdb-rk83-m7a3"
                },
                {
                    "vulnerability": "VCID-bg75-zcf2-sqh2"
                },
                {
                    "vulnerability": "VCID-cw2r-5yj4-yqd5"
                },
                {
                    "vulnerability": "VCID-hm4u-x2dp-rqcz"
                },
                {
                    "vulnerability": "VCID-kjrc-x799-ukfr"
                },
                {
                    "vulnerability": "VCID-q4fh-hp1h-xqh1"
                },
                {
                    "vulnerability": "VCID-rme4-tudc-5kd1"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/thunderbird@68.11.0-1"
        }
    ],
    "references": [
        {
            "reference_url": "https://security.archlinux.org/AVG-1213",
            "reference_id": "AVG-1213",
            "reference_type": "",
            "scores": [
                {
                    "value": "High",
                    "scoring_system": "archlinux",
                    "scoring_elements": ""
                }
            ],
            "url": "https://security.archlinux.org/AVG-1213"
        },
        {
            "reference_url": "https://security.archlinux.org/AVG-1214",
            "reference_id": "AVG-1214",
            "reference_type": "",
            "scores": [
                {
                    "value": "High",
                    "scoring_system": "archlinux",
                    "scoring_elements": ""
                }
            ],
            "url": "https://security.archlinux.org/AVG-1214"
        },
        {
            "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-30",
            "reference_id": "mfsa2020-30",
            "reference_type": "",
            "scores": [
                {
                    "value": "high",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-30"
        },
        {
            "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-32",
            "reference_id": "mfsa2020-32",
            "reference_type": "",
            "scores": [
                {
                    "value": "high",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-32"
        },
        {
            "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-33",
            "reference_id": "mfsa2020-33",
            "reference_type": "",
            "scores": [
                {
                    "value": "high",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-33"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": "7.0 - 8.9",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-4ew2-8ktk-pqbj"
}