{"id":"CVE-2010-0463","aliases":["EUVD-2010-0494","GHSA-g9xm-ww44-j6j9"],"status":"published","title":"Horde IMP 4.3.6 and earlier does not request that the web browser avoid DNS prefetching of domain...","description":"Horde IMP 4.3.6 and earlier does not request that the web browser avoid DNS prefetching of domain names contained in e-mail messages, which makes it easier for remote attackers to determine the network location of the webmail user by logging DNS requests.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01983,"percentile":0.80688,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2010-01-29T18:00:00Z","modified":"2026-06-16T23:16:13Z","products":[{"vendor":"horde","product":"imp"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/56052","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://secure.grepular.com/DNS_Prefetch_Exposure_on_Thunderbird_and_Webmail","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://bugs.horde.org/ticket/8836","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0463"},{"url":"https://github.com/advisories/GHSA-g9xm-ww44-j6j9"}],"sources":{"cve":[{"id":"CVE-2010-0463","description":"Horde IMP 4.3.6 and earlier does not request that the web browser avoid DNS prefetching of domain names contained in e-mail messages, which makes it easier for remote attackers to determine the network location of the webmail user by logging DNS requests.","status":"published","published":"2010-01-29T18:00:00Z","modified":"2024-08-07T00:52:19.272Z","updated_at":"2026-11-02T14:33:29.990758Z"}],"euvd":[{"id":"EUVD-2010-0494","description":"Horde IMP 4.3.6 and earlier does not request that the web browser avoid DNS prefetching of domain names contained in e-mail messages, which makes it easier for remote attackers to determine the network location of the webmail user by logging DNS requests.","status":"published","published":"2010-01-29T18:00:00Z","modified":"2024-08-07T00:52:19Z","updated_at":"2026-11-03T01:39:45.195177Z"}],"ghsa":[{"id":"GHSA-g9xm-ww44-j6j9","title":"Horde IMP 4.3.6 and earlier does not request that the web browser avoid DNS prefetching of domain...","description":"Horde IMP 4.3.6 and earlier does not request that the web browser avoid DNS prefetching of domain names contained in e-mail messages, which makes it easier for remote attackers to determine the network location of the webmail user by logging DNS requests.","status":"published","published":"2022-05-02T06:12:55Z","modified":"2023-02-01T05:00:33Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:49:33.374495Z"}],"nvd":[{"id":"CVE-2010-0463","description":"Horde IMP 4.3.6 and earlier does not request that the web browser avoid DNS prefetching of domain names contained in e-mail messages, which makes it easier for remote attackers to determine the network location of the webmail user by logging DNS requests.","status":"published","published":"2010-01-29T18:30:01.103Z","modified":"2026-06-16T23:16:13.76Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:01:40.249593Z"}]}}