{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62859?format=json","vulnerability_id":"VCID-np75-dzzq-8yef","summary":"If a long user name is used in a username/password combination in a site URL (such as  http://UserName:Password@example.com), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service.","aliases":[{"alias":"CVE-2017-7783"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/371522?format=json","purl":"pkg:alpm/archlinux/firefox@55.0-1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@55.0-1"},{"url":"http://public2.vulnerablecode.io/api/packages/582746?format=json","purl":"pkg:deb/debian/firefox@55.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@55.0-1%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":[{"url":"http://public2.vulnerablecode.io/api/packages/371521?format=json","purl":"pkg:alpm/archlinux/firefox@54.0.1-1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-39za-a75a-z7c3"},{"vulnerability":"VCID-3cbn-278y-hkah"},{"vulnerability":"VCID-48em-7yxs-pqf9"},{"vulnerability":"VCID-4rt5-58ue-sufc"},{"vulnerability":"VCID-6aqn-abjb-skbd"},{"vulnerability":"VCID-7mvz-mr2e-hyfx"},{"vulnerability":"VCID-9cje-24ah-p7fk"},{"vulnerability":"VCID-d7jf-wx4p-cuek"},{"vulnerability":"VCID-dck1-2x3v-1ygr"},{"vulnerability":"VCID-eaau-g1uf-73gd"},{"vulnerability":"VCID-f7ut-fqny-tffr"},{"vulnerability":"VCID-gf3v-rmys-syex"},{"vulnerability":"VCID-hd7u-f91y-dqhz"},{"vulnerability":"VCID-hk7b-ckyd-7qg2"},{"vulnerability":"VCID-hw2h-w5r2-7qhv"},{"vulnerability":"VCID-kn3f-cx36-17h2"},{"vulnerability":"VCID-nmws-nx6k-5qbe"},{"vulnerability":"VCID-np75-dzzq-8yef"},{"vulnerability":"VCID-q7jk-b69d-bbav"},{"vulnerability":"VCID-qetw-2ah7-5ba4"},{"vulnerability":"VCID-qh1k-c7ct-efg8"},{"vulnerability":"VCID-s558-4jac-47ft"},{"vulnerability":"VCID-vgwu-jbjv-xyd1"},{"vulnerability":"VCID-xzxb-5pq8-9bfd"},{"vulnerability":"VCID-yk2z-f6vu-93fb"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@54.0.1-1"}],"references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7783.json","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7783.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7783","reference_id":"","reference_type":"","scores":[{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91343","published_at":"2026-04-01T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91478","published_at":"2026-05-14T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91423","published_at":"2026-04-29T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91438","published_at":"2026-05-05T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91453","published_at":"2026-05-07T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91462","published_at":"2026-05-09T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91461","published_at":"2026-05-11T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91471","published_at":"2026-05-12T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91349","published_at":"2026-04-02T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91359","published_at":"2026-04-04T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91367","published_at":"2026-04-07T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91379","published_at":"2026-04-08T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91385","published_at":"2026-04-09T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91392","published_at":"2026-04-11T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91395","published_at":"2026-04-12T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91394","published_at":"2026-04-13T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91419","published_at":"2026-04-16T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91415","published_at":"2026-04-18T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91417","published_at":"2026-04-21T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91426","published_at":"2026-04-24T12:55:00Z"},{"value":"0.06903","scoring_system":"epss","scoring_elements":"0.91424","published_at":"2026-04-26T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7783"},{"reference_url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1360842","reference_id":"","reference_type":"","scores":[],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1360842"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:H/Au:N/C:N/I:N/A:C"},{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://www.exploit-db.com/exploits/43020/","reference_id":"","reference_type":"","scores":[],"url":"https://www.exploit-db.com/exploits/43020/"},{"reference_url":"https://www.mozilla.org/security/advisories/mfsa2017-18/","reference_id":"","reference_type":"","scores":[],"url":"https://www.mozilla.org/security/advisories/mfsa2017-18/"},{"reference_url":"http://www.securityfocus.com/bid/100401","reference_id":"","reference_type":"","scores":[],"url":"http://www.securityfocus.com/bid/100401"},{"reference_url":"http://www.securitytracker.com/id/1039124","reference_id":"","reference_type":"","scores":[],"url":"http://www.securitytracker.com/id/1039124"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1479176","reference_id":"1479176","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1479176"},{"reference_url":"https://security.archlinux.org/ASA-201708-3","reference_id":"ASA-201708-3","reference_type":"","scores":[],"url":"https://security.archlinux.org/ASA-201708-3"},{"reference_url":"https://security.archlinux.org/AVG-375","reference_id":"AVG-375","reference_type":"","scores":[{"value":"Critical","scoring_system":"archlinux","scoring_elements":""}],"url":"https://security.archlinux.org/AVG-375"},{"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://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/43020.txt","reference_id":"CVE-2017-7783","reference_type":"exploit","scores":[],"url":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/43020.txt"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7783","reference_id":"CVE-2017-7783","reference_type":"","scores":[{"value":"5.0","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7783"},{"reference_url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-18","reference_id":"mfsa2017-18","reference_type":"","scores":[{"value":"critical","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-18"},{"reference_url":"https://usn.ubuntu.com/3391-1/","reference_id":"USN-3391-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/3391-1/"}],"weaknesses":[{"cwe_id":20,"name":"Improper Input Validation","description":"The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly."}],"exploits":[{"date_added":"2017-10-20","description":"Mozilla Firefox < 55 - Denial of Service","required_action":null,"due_date":null,"notes":null,"known_ransomware_campaign_use":true,"source_date_published":"2017-10-20","exploit_type":"dos","platform":"multiple","source_date_updated":"2017-10-20","data_source":"Exploit-DB","source_url":""}],"severity_range_score":"5.0 - 10.0","exploitability":"2.0","weighted_severity":"9.0","risk_score":10.0,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-np75-dzzq-8yef"}