{"id":"CVE-2007-3152","aliases":["EUVD-2007-3144","GHSA-77x3-jh2q-2qvx"],"status":"published","title":"c-ares before 1.4.0 uses a predictable seed for the random number generator for the DNS...","description":"c-ares before 1.4.0 uses a predictable seed for the random number generator for the DNS Transaction ID field, which might allow remote attackers to spoof DNS responses by guessing the field value.","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":"2026-11-06","score":0.01402,"percentile":0.72638,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-06-11T22:00:00Z","modified":"2026-06-16T22:41:10Z","products":[{"vendor":"daniel_stenberg","product":"c-ares"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/34979","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://osvdb.org/37171","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://secunia.com/advisories/25579","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://cool.haxx.se/cvs.cgi/curl/ares/CHANGES?rev=HEAD\u0026content-type=text/vnd.viewcvs-markup","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/24386","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3152"},{"url":"https://github.com/advisories/GHSA-77x3-jh2q-2qvx"}],"sources":{"cve":[{"id":"CVE-2007-3152","description":"c-ares before 1.4.0 uses a predictable seed for the random number generator for the DNS Transaction ID field, which might allow remote attackers to spoof DNS responses by guessing the field value.","status":"published","published":"2007-06-11T22:00:00Z","modified":"2024-08-07T14:05:29.235Z","updated_at":"2026-11-02T13:32:56.730199Z"}],"euvd":[{"id":"EUVD-2007-3144","description":"c-ares before 1.4.0 uses a predictable seed for the random number generator for the DNS Transaction ID field, which might allow remote attackers to spoof DNS responses by guessing the field value.","status":"published","published":"2007-06-11T22:00:00Z","modified":"2024-08-07T14:05:29Z","updated_at":"2026-11-03T01:38:18.026387Z"}],"ghsa":[{"id":"GHSA-77x3-jh2q-2qvx","title":"c-ares before 1.4.0 uses a predictable seed for the random number generator for the DNS...","description":"c-ares before 1.4.0 uses a predictable seed for the random number generator for the DNS Transaction ID field, which might allow remote attackers to spoof DNS responses by guessing the field value.","status":"published","published":"2022-05-01T18:10:49Z","modified":"2023-01-31T05:03:56Z","updated_at":"2026-11-02T14:48:34.878158Z"}],"nvd":[{"id":"CVE-2007-3152","description":"c-ares before 1.4.0 uses a predictable seed for the random number generator for the DNS Transaction ID field, which might allow remote attackers to spoof DNS responses by guessing the field value.","status":"published","published":"2007-06-11T22:30:00Z","modified":"2026-06-16T22:41:10.3Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:16.479378Z"}]}}