{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/97704?format=json","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=json","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=json","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=json","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=json","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=json","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","scoring_system":"epss","scoring_elements":"0.3164","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","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"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.31041","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.3111","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.31116","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.31026","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.31048","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.3112","published_at":"2026-05-14T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.31133","published_at":"2026-05-15T12:55:00Z"}],"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"}