{"cve":"CVE-2004-0765","nvd":{"published":"2004-08-18T04:00:00.000","modified":"2026-06-16T22:06:19.870","status":"Modified","description":"The cert_TestHostName function in Mozilla before 1.7, Firefox before 0.9, and Thunderbird before 0.7, only checks the hostname portion of a certificate when the hostname portion of the URI is not a fully qualified domain name (FQDN), which allows remote attackers to spoof trusted certificates.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://bugzilla.mozilla.org/show_bug.cgi?id=234058","http://marc.info/?l=bugtraq&m=109900315219363&w=2","http://www.mozilla.org/projects/security/known-vulnerabilities.html#mozilla1.7","http://www.novell.com/linux/security/advisories/2004_36_mozilla.html","http://www.redhat.com/support/errata/RHSA-2004-421.html"],"products":["mozilla:firefox","mozilla:mozilla","mozilla:thunderbird"],"source":"nvd","synced_at":"2026-10-19T19:37:11.487553034+00:00"},"epss":{"cve":"CVE-2004-0765","score":0.01035,"percentile":0.63896,"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."]}