{"id":"CVE-2009-0939","aliases":["DEBIAN-CVE-2009-0939","EUVD-2009-0936","GHSA-4v97-9crm-p348"],"status":"published","title":"Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and...","description":"Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to \"Spec conformance,\" as demonstrated using 192.168.0.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0205,"percentile":0.81492,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2009-03-18T01:00:00Z","modified":"2026-10-23T17:47:26Z","fixes":[{"ecosystem":"Debian:12","package":"tor","fixed_in":["0.2.0.34-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tor","fixed_in":["0.2.0.34-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tor","fixed_in":["0.2.0.34-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.0.34-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.0.34-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.0.34-1"}]}]}],"products":[{"vendor":"tor","product":"tor"}],"references":[{"url":"http://secunia.com/advisories/34583","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://archives.seul.org/or/announce/Feb-2009/msg00000.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://secunia.com/advisories/33880","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/33713","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://security.gentoo.org/glsa/glsa-200904-11.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0939"},{"url":"https://github.com/advisories/GHSA-4v97-9crm-p348"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-0939","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-0939","description":"Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to \"Spec conformance,\" as demonstrated using 192.168.0.","status":"published","published":"2009-03-18T01:00:00Z","modified":"2024-08-07T04:57:16.916Z","updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0936","description":"Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to \"Spec conformance,\" as demonstrated using 192.168.0.","status":"published","published":"2009-03-18T01:00:00Z","modified":"2024-08-07T04:57:16Z","updated_at":"2026-11-03T01:39:23.782527Z"}],"ghsa":[{"id":"GHSA-4v97-9crm-p348","title":"Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and...","description":"Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to \"Spec conformance,\" as demonstrated using 192.168.0.","status":"published","published":"2022-05-02T03:19:54Z","modified":"2023-01-31T05:08:06Z","updated_at":"2026-11-02T14:49:19.883163Z"}],"nvd":[{"id":"CVE-2009-0939","description":"Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to \"Spec conformance,\" as demonstrated using 192.168.0.","status":"published","published":"2009-03-18T02:00:08.233Z","modified":"2026-06-16T23:06:09.227Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:34.44527Z"}],"osv":[{"id":"CVE-2009-0939","description":"Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to \"Spec conformance,\" as demonstrated using 192.168.0.","status":"published","published":"2009-03-18T02:00:08Z","modified":"2026-04-10T03:40:40.699166Z","updated_at":"2026-11-02T15:43:57.452479Z"},{"id":"DEBIAN-CVE-2009-0939","description":"Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to \"Spec conformance,\" as demonstrated using 192.168.0.","status":"published","published":"2009-03-18T02:00:08.233Z","modified":"2026-10-23T17:47:26.871046524Z","updated_at":"2026-11-02T15:45:24.013654Z"}]}}