Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/97704?format=api",
    "vulnerability_id": "VCID-pnj9-7czc-pqfc",
    "summary": "Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1.",
    "aliases": [
        {
            "alias": "CVE-2021-3939"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/584643?format=api",
            "purl": "pkg:deb/debian/accountsservice@0?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/accountsservice@0%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/584644?format=api",
            "purl": "pkg:deb/debian/accountsservice@0.6.55-3?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-y4tn-cs9p-v7eh"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/accountsservice@0.6.55-3%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/584645?format=api",
            "purl": "pkg:deb/debian/accountsservice@22.08.8-6?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/accountsservice@22.08.8-6%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/584646?format=api",
            "purl": "pkg:deb/debian/accountsservice@23.13.9-7?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/accountsservice@23.13.9-7%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/584647?format=api",
            "purl": "pkg:deb/debian/accountsservice@23.13.9-8?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/accountsservice@23.13.9-8%3Fdistro=trixie"
        }
    ],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3939",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31592",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31724",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31769",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31587",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00124",
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                    "scoring_elements": "0.3164",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
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                    "scoring_elements": "0.31669",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31673",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31631",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31595",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.3163",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31608",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31576",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31398",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31272",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00124",
                    "scoring_system": "epss",
                    "scoring_elements": "0.31192",
                    "published_at": "2026-04-29T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3939"
        },
        {
            "reference_url": "https://usn.ubuntu.com/5149-1/",
            "reference_id": "USN-5149-1",
            "reference_type": "",
            "scores": [],
            "url": "https://usn.ubuntu.com/5149-1/"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-pnj9-7czc-pqfc"
}