{"schema_version":1,"title":"Netscape Navigator vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Netscape Navigator: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-1999-0537, was published on 1 April 1998.","url":"https://junglewise.ai/threats/technologies/navigator","json_url":"https://junglewise.ai/threats/technologies/navigator.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/navigator","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":0},"latest":[{"cve":"CVE-1999-0537","cvss":7.5,"slug":"cve-1999-0537-microsoft-internet-explorer-and-netscape-navigator-insecure-active","title":"Microsoft Internet Explorer and Netscape Navigator insecure active content execution","severity":"high","exploited":false,"published_at":"1998-04-01T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0537-microsoft-internet-explorer-and-netscape-navigator-insecure-active"},{"cve":"CVE-1999-1262","cvss":5.1,"slug":"cve-1999-1262-netscape-navigator-java-security-model-bypass","title":"Netscape Navigator Java security model bypass","severity":"medium","exploited":false,"published_at":"1997-08-01T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-1262-netscape-navigator-java-security-model-bypass"},{"cve":"CVE-1999-0031","cvss":2.6,"slug":"cve-1999-0031-microsoft-internet-explorer-and-netscape-navigator-information","title":"Microsoft Internet Explorer and Netscape Navigator information disclosure via JavaScript","severity":"low","exploited":false,"published_at":"1997-07-08T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0031-microsoft-internet-explorer-and-netscape-navigator-information"},{"cve":"CVE-1999-0141","cvss":3.7,"slug":"cve-1999-0141-sun-microsystems-java-arbitrary-command-execution-in-bytecode","title":"Sun Microsystems Java arbitrary command execution in Bytecode Verifier","severity":"low","exploited":false,"published_at":"1996-03-29T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0141-sun-microsystems-java-arbitrary-command-execution-in-bytecode"},{"cve":"CVE-1999-0142","cvss":7.5,"slug":"cve-1999-0142-netscape-navigator-and-jdk-security-manager-restriction-bypass","title":"Netscape Navigator and JDK Security Manager restriction bypass","severity":"high","exploited":false,"published_at":"1996-03-01T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0142-netscape-navigator-and-jdk-security-manager-restriction-bypass"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Netscape Navigator","slug":"navigator","vendor":{"name":"Netscape","slug":"netscape","url":"https://junglewise.ai/threats/vendors/netscape"},"aliases":["netscape-navigator"],"category":"web-browser","homepage":"https://browser.netscape.com/","description":"Netscape Navigator is a proprietary web browser that was a prominent product of Netscape Communications Corporation.","url":"https://junglewise.ai/threats/technologies/navigator"},"most_severe":[{"cve":"CVE-1999-0537","cvss":7.5,"slug":"cve-1999-0537-microsoft-internet-explorer-and-netscape-navigator-insecure-active","title":"Microsoft Internet Explorer and Netscape Navigator insecure active content execution","severity":"high","exploited":false,"published_at":"1998-04-01T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0537-microsoft-internet-explorer-and-netscape-navigator-insecure-active"},{"cve":"CVE-1999-0142","cvss":7.5,"slug":"cve-1999-0142-netscape-navigator-and-jdk-security-manager-restriction-bypass","title":"Netscape Navigator and JDK Security Manager restriction bypass","severity":"high","exploited":false,"published_at":"1996-03-01T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0142-netscape-navigator-and-jdk-security-manager-restriction-bypass"},{"cve":"CVE-1999-1262","cvss":5.1,"slug":"cve-1999-1262-netscape-navigator-java-security-model-bypass","title":"Netscape Navigator Java security model bypass","severity":"medium","exploited":false,"published_at":"1997-08-01T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-1262-netscape-navigator-java-security-model-bypass"},{"cve":"CVE-1999-0141","cvss":3.7,"slug":"cve-1999-0141-sun-microsystems-java-arbitrary-command-execution-in-bytecode","title":"Sun Microsystems Java arbitrary command execution in Bytecode Verifier","severity":"low","exploited":false,"published_at":"1996-03-29T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0141-sun-microsystems-java-arbitrary-command-execution-in-bytecode"},{"cve":"CVE-1999-0031","cvss":2.6,"slug":"cve-1999-0031-microsoft-internet-explorer-and-netscape-navigator-information","title":"Microsoft Internet Explorer and Netscape Navigator information disclosure via JavaScript","severity":"low","exploited":false,"published_at":"1997-07-08T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0031-microsoft-internet-explorer-and-netscape-navigator-information"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}