{"cve":"CVE-2012-3976","nvd":{"published":"2012-08-29T10:56:41.160","modified":"2026-06-16T23:44:11.123","status":"Modified","description":"Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, and SeaMonkey before 2.12 do not properly handle onLocationChange events during navigation between different https sites, which allows remote attackers to spoof the X.509 certificate information in the address bar via a crafted web page.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00028.html","http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00011.html","http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html","http://rhn.redhat.com/errata/RHSA-2012-1210.html","http://www.mozilla.org/security/announce/2012/mfsa2012-69.html"],"products":["canonical:ubuntu_linux","mozilla:firefox","mozilla:seamonkey","opensuse:opensuse","redhat:enterprise_linux_desktop","redhat:enterprise_linux_eus","redhat:enterprise_linux_server","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_workstation","suse:linux_enterprise_desktop","suse:linux_enterprise_server","suse:linux_enterprise_software_development_kit"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-3976","score":0.01779,"percentile":0.78241,"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."]}