{"cve":"CVE-2005-2871","nvd":{"published":"2005-09-09T18:03:00.000","modified":"2026-06-16T22:15:49.680","status":"Modified","description":"Buffer overflow in the International Domain Name (IDN) support in Mozilla Firefox 1.0.6 and earlier, and Netscape 8.0.3.3 and 7.2, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a hostname with all \"soft\" hyphens (character 0xAD), which is not properly handled by the NormalizeIDN call in nsStandardURL::BuildNormalizedSpec.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://archives.neohapsis.com/archives/fulldisclosure/2005-09/0316.html","http://marc.info/?l=full-disclosure&m=112624614008387&w=2","http://secunia.com/advisories/16764","http://secunia.com/advisories/16766","http://secunia.com/advisories/16767"],"products":["mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T19:39:29.870204089+00:00"},"epss":{"cve":"CVE-2005-2871","score":0.21112,"percentile":0.9758,"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."]}