Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/1394?format=api",
    "vulnerability_id": "VCID-qc4b-24x7-77eq",
    "summary": "When drawing text onto a canvas with WebRender disabled, an out of bounds read could occur. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*",
    "aliases": [
        {
            "alias": "CVE-2021-29968"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/3983?format=api",
            "purl": "pkg:alpm/archlinux/firefox@89.0.1-1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@89.0.1-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/749?format=api",
            "purl": "pkg:mozilla/Firefox@89.0.1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:mozilla/Firefox@89.0.1"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/2361?format=api",
            "purl": "pkg:alpm/archlinux/firefox@89.0-1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-qc4b-24x7-77eq"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@89.0-1"
        }
    ],
    "references": [
        {
            "reference_url": "https://security.archlinux.org/AVG-2074",
            "reference_id": "AVG-2074",
            "reference_type": "",
            "scores": [
                {
                    "value": "Medium",
                    "scoring_system": "archlinux",
                    "scoring_elements": ""
                }
            ],
            "url": "https://security.archlinux.org/AVG-2074"
        },
        {
            "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-27",
            "reference_id": "mfsa2021-27",
            "reference_type": "",
            "scores": [
                {
                    "value": "none",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-27"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": "4.0 - 6.9",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-qc4b-24x7-77eq"
}