{"id":"CVE-2012-2249","aliases":["DEBIAN-CVE-2012-2249","DLA-17-1","EUVD-2012-2242","GHSA-h977-vhf7-vm3w"],"status":"published","title":"Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure...","description":"Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the V3 link protocol.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0129,"percentile":0.7043,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2014-02-03T02:00:00Z","modified":"2026-10-23T17:47:25Z","fixes":[{"ecosystem":"Debian:12","package":"tor","fixed_in":["0.2.3.23-rc-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tor","fixed_in":["0.2.3.23-rc-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tor","fixed_in":["0.2.3.23-rc-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.3.23-rc-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.3.23-rc-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.3.23-rc-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.4.23-1~deb6u1"}]}],"versions":["0.2.1.29-1","0.2.1.30-1","0.2.1.31-1","0.2.1.31-1~lenny+1","0.2.1.32-1","0.2.2.1-alpha-1","0.2.2.10-alpha-1","0.2.2.10-alpha-2","0.2.2.11-alpha-1","0.2.2.12-alpha-1","0.2.2.13-alpha-1","0.2.2.14-alpha-1","0.2.2.15-alpha-1","0.2.2.16-alpha-1","0.2.2.17-alpha-1","0.2.2.18-alpha-1","0.2.2.18-alpha-2","0.2.2.19-alpha-1","0.2.2.2-alpha-1","0.2.2.20-alpha-1","0.2.2.21-alpha-1","0.2.2.22-alpha-1","0.2.2.23-alpha-1","0.2.2.27-beta-1","0.2.2.28-beta-1","0.2.2.29-beta-1","0.2.2.3-alpha-1","0.2.2.30-rc-1","0.2.2.31-rc-1","0.2.2.32-1","0.2.2.32-1~bpo60+1","0.2.2.33-1","0.2.2.33-1~bpo60+1","0.2.2.34-1","0.2.2.34-1~bpo60+1","0.2.2.35-1","0.2.2.35-1~squeeze+1","0.2.2.36-1","0.2.2.37-1","0.2.2.37-1~bpo60+1","0.2.2.37-1~squeeze+1","0.2.2.38-1","0.2.2.39-1","0.2.2.4-alpha-1","0.2.2.5-alpha-1","0.2.2.6-alpha-1","0.2.2.7-alpha-1","0.2.2.7-alpha-2","0.2.2.8-alpha-1","0.2.2.9-alpha-1","0.2.3.10-alpha-1","0.2.3.11-alpha-1","0.2.3.11-alpha-2","0.2.3.12-alpha-1","0.2.3.13-alpha-1","0.2.3.14-alpha-1","0.2.3.15-alpha-1","0.2.3.16-alpha-1","0.2.3.17-beta-1","0.2.3.17-beta-2","0.2.3.17-beta-3","0.2.3.18-rc-1","0.2.3.19-rc-1","0.2.3.20-rc-1","0.2.3.21-rc-1","0.2.3.22-rc-1","0.2.3.23-rc-1","0.2.3.24-rc-1","0.2.3.25-1","0.2.3.3-alpha-1","0.2.3.4-alpha-1","0.2.3.5-alpha-1","0.2.3.6-alpha-1","0.2.3.7-alpha-1","0.2.3.8-alpha-1","0.2.3.9-alpha-1","0.2.4.1-alpha-1","0.2.4.10-alpha-1","0.2.4.11-alpha-1","0.2.4.12-alpha-1","0.2.4.12-alpha-2","0.2.4.13-alpha-1","0.2.4.14-alpha-1","0.2.4.15-rc-1","0.2.4.16-rc-1","0.2.4.17-rc-1","0.2.4.18-rc-1","0.2.4.19-1","0.2.4.2-alpha-1","0.2.4.20-1","0.2.4.21-1","0.2.4.22-1","0.2.4.22-1~bpo70+1","0.2.4.22-1~deb7u1","0.2.4.3-alpha-1","0.2.4.4-alpha-1","0.2.4.5-alpha-1","0.2.4.6-alpha-1","0.2.4.7-alpha-1","0.2.4.9-alpha-1"],"bundled":5}],"products":[{"vendor":"torproject","product":"tor"}],"references":[{"url":"https://gitweb.torproject.org/tor.git?a=blob_plain%3Bhb=HEAD%3Bf=ChangeLog","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2249"},{"url":"https://gitweb.torproject.org/tor.git?a=blob_plain;hb=HEAD;f=ChangeLog"},{"url":"https://github.com/advisories/GHSA-h977-vhf7-vm3w"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-2249","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-2249","description":"Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the V3 link protocol.","status":"published","published":"2014-02-03T02:00:00Z","modified":"2024-08-06T19:26:08.981Z","updated_at":"2026-11-02T14:34:50.263482Z"}],"euvd":[{"id":"EUVD-2012-2242","description":"Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the V3 link protocol.","status":"published","published":"2014-02-03T02:00:00Z","modified":"2024-08-06T19:26:08Z","updated_at":"2026-11-03T01:56:14.86717Z"}],"ghsa":[{"id":"GHSA-h977-vhf7-vm3w","title":"Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure...","description":"Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the V3 link protocol.","status":"published","published":"2022-05-17T04:52:16Z","modified":"2025-04-11T04:19:48Z","updated_at":"2026-11-02T15:01:15.928203Z"}],"nvd":[{"id":"CVE-2012-2249","description":"Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the V3 link protocol.","status":"published","published":"2014-02-03T03:55:03.627Z","modified":"2026-06-16T23:41:14.597Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:17.375282Z"}],"osv":[{"id":"CVE-2012-2249","description":"Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the V3 link protocol.","status":"published","published":"2014-02-03T03:55:03Z","modified":"2026-04-10T03:42:18.697146Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-2249","description":"Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the V3 link protocol.","status":"published","published":"2014-02-03T03:55:03.627Z","modified":"2026-10-23T17:47:25.744736029Z","updated_at":"2026-11-02T15:45:24.92418Z"},{"id":"DLA-17-1","title":"tor - new upstream version","status":"published","published":"2014-07-31T00:00:00Z","modified":"2026-03-09T01:19:33.202856Z","updated_at":"2026-11-02T15:46:09.777694Z"}]}}