{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62847?format=json","vulnerability_id":"VCID-z5mk-4spk-1yc1","summary":"Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer being parsed. This usually results in a non-exploitable crash, but can leak a limited amount of information from memory if it matches JavaScript identifier syntax.","aliases":[{"alias":"CVE-2017-7813"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/582643?format=json","purl":"pkg:deb/debian/firefox@56.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@56.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/582059?format=json","purl":"pkg:deb/debian/firefox@149.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1059611?format=json","purl":"pkg:deb/debian/firefox@149.0.2-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0.2-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1076056?format=json","purl":"pkg:deb/debian/firefox@150.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1088670?format=json","purl":"pkg:deb/debian/firefox@150.0.1-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.1-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1105248?format=json","purl":"pkg:deb/debian/firefox@150.0.2-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.2-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1112518?format=json","purl":"pkg:deb/debian/firefox@150.0.3-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.3-1%3Fdistro=sid"}],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7813","reference_id":"","reference_type":"","scores":[{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.69052","published_at":"2026-05-14T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68792","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.69009","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68975","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.69001","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68811","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68831","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68862","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68881","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68903","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68888","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68859","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68901","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68911","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68939","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68946","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68951","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68931","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00579","scoring_system":"epss","scoring_elements":"0.68973","published_at":"2026-05-07T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7813"},{"reference_url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1383951","reference_id":"","reference_type":"","scores":[],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1383951"},{"reference_url":"https://www.mozilla.org/security/advisories/mfsa2017-21/","reference_id":"","reference_type":"","scores":[],"url":"https://www.mozilla.org/security/advisories/mfsa2017-21/"},{"reference_url":"http://www.securityfocus.com/bid/101057","reference_id":"","reference_type":"","scores":[],"url":"http://www.securityfocus.com/bid/101057"},{"reference_url":"http://www.securitytracker.com/id/1039465","reference_id":"","reference_type":"","scores":[],"url":"http://www.securitytracker.com/id/1039465"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","reference_id":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7813","reference_id":"CVE-2017-7813","reference_type":"","scores":[{"value":"6.4","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:L/Au:N/C:P/I:N/A:P"},{"value":"8.2","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7813"},{"reference_url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-21","reference_id":"mfsa2017-21","reference_type":"","scores":[{"value":"critical","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-21"},{"reference_url":"https://usn.ubuntu.com/3435-1/","reference_id":"USN-3435-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/3435-1/"}],"weaknesses":[{"cwe_id":125,"name":"Out-of-bounds Read","description":"The product reads data past the end, or before the beginning, of the intended buffer."},{"cwe_id":704,"name":"Incorrect Type Conversion or Cast","description":"The product does not correctly convert an object, resource, or structure from one type to a different type."}],"exploits":[],"severity_range_score":"6.4 - 10.0","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-z5mk-4spk-1yc1"}