{"id":"CVE-2009-3455","aliases":["EUVD-2009-3437","GHSA-2hgw-48gj-v3wx"],"status":"published","title":"Apple Safari, possibly before 4.0.3, on Mac OS X does not properly handle a '\\0' character in a...","description":"Apple Safari, possibly before 4.0.3, on Mac OS X does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00578,"percentile":0.47883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2009-09-29T17:00:00Z","modified":"2026-06-16T23:11:38Z","products":[{"vendor":"apple","product":"safari"}],"references":[{"url":"http://www.securityfocus.com/bid/36477","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.networkworld.com/news/2009/091709-microsoft-ie-security-hole.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-3455"},{"url":"https://github.com/advisories/GHSA-2hgw-48gj-v3wx"}],"sources":{"cve":[{"id":"CVE-2009-3455","description":"Apple Safari, possibly before 4.0.3, on Mac OS X does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","status":"published","published":"2009-09-29T17:00:00Z","modified":"2024-09-16T19:36:40.318Z","updated_at":"2026-11-02T14:33:23.749891Z"}],"euvd":[{"id":"EUVD-2009-3437","description":"Apple Safari, possibly before 4.0.3, on Mac OS X does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","status":"published","published":"2009-09-29T17:00:00Z","modified":"2024-09-16T19:36:40Z","updated_at":"2026-11-03T00:55:21.523281Z"}],"ghsa":[{"id":"GHSA-2hgw-48gj-v3wx","title":"Apple Safari, possibly before 4.0.3, on Mac OS X does not properly handle a '\\0' character in a...","description":"Apple Safari, possibly before 4.0.3, on Mac OS X does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","status":"published","published":"2022-05-02T03:45:13Z","modified":"2023-01-31T05:09:11Z","updated_at":"2026-11-02T14:49:29.477947Z"}],"nvd":[{"id":"CVE-2009-3455","description":"Apple Safari, possibly before 4.0.3, on Mac OS X does not properly handle a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","status":"published","published":"2009-09-29T18:00:00.36Z","modified":"2026-06-16T23:11:38.223Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:01:37.004244Z"}]}}