{"cve":"CVE-1999-1189","nvd":{"published":"1999-11-24T05:00:00.000","modified":"2026-06-16T21:49:54.500","status":"Modified","description":"Buffer overflow in Netscape Navigator/Communicator 4.7 for Windows 95 and Windows 98 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long argument after the ? character in a URL that references an .asp, .cgi, .html, or .pl file.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.securityfocus.com/archive/1/36306","http://www.securityfocus.com/archive/1/36608","http://www.securityfocus.com/bid/822","https://exchange.xforce.ibmcloud.com/vulnerabilities/7884","http://www.securityfocus.com/archive/1/36306"],"products":["netscape:communicator","netscape:navigator"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-1999-1189","score":0.02518,"percentile":0.84836,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}