{"id":"CVE-2011-1947","aliases":["DEBIAN-CVE-2011-1947","EUVD-2011-1944","GHSA-xrcr-j9jp-xv96","UBUNTU-CVE-2011-1947","openSUSE-SU-2024:10194-1"],"status":"published","title":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS...","description":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.","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":0.02551,"percentile":0.85146,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2011-06-02T19:00:00Z","modified":"2026-10-23T17:47:24Z","fixes":[{"ecosystem":"Debian:12","package":"fetchmail","fixed_in":["6.3.22-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"fetchmail","fixed_in":["6.3.22-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"fetchmail","fixed_in":["6.3.22-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"fetchmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3.22-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"fetchmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3.22-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"fetchmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3.22-1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"fetchmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3.26-13.4"}]}],"bundled":5}],"products":[{"vendor":"fetchmail","product":"fetchmail"}],"references":[{"url":"http://openwall.com/lists/oss-security/2011/05/31/17","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/48043","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061672.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2011/05/31/12","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2011/05/30/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.securityfocus.com/archive/1/518251/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061634.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://gitorious.org/fetchmail/fetchmail/blobs/legacy_63/fetchmail-SA-2011-01.txt","tags":["x_refsource_CONFIRM","x_transferred","web","report"]},{"url":"http://www.securitytracker.com/id?1025605","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:107","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061735.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.fetchmail.info/fetchmail-SA-2011-01.txt","tags":["x_refsource_CONFIRM","x_transferred","web","report"]},{"url":"http://openwall.com/lists/oss-security/2011/06/01/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67700","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1947"},{"url":"https://github.com/advisories/GHSA-xrcr-j9jp-xv96"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-1947","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2011-1947","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1947","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2009-2666","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1167","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1947","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-3389","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3482","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2011-1947","description":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.","status":"published","published":"2011-06-02T19:00:00Z","modified":"2024-08-06T22:46:00.839Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1944","description":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.","status":"published","published":"2011-06-02T19:00:00Z","modified":"2024-08-06T22:46:00Z","updated_at":"2026-11-03T01:55:54.666744Z"}],"ghsa":[{"id":"GHSA-xrcr-j9jp-xv96","title":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS...","description":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.","status":"published","published":"2022-05-14T02:55:18Z","modified":"2023-02-02T05:06:52Z","updated_at":"2026-11-02T14:52:23.212244Z"}],"nvd":[{"id":"CVE-2011-1947","description":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.","status":"published","published":"2011-06-02T19:55:03.903Z","modified":"2026-06-16T23:30:26.833Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:08.47516Z"}],"osv":[{"id":"CVE-2011-1947","description":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.","status":"published","published":"2011-06-02T19:55:03Z","modified":"2026-04-10T03:41:48.126219Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-1947","description":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.","status":"published","published":"2011-06-02T19:55:03.903Z","modified":"2026-10-23T17:47:24.33406985Z","updated_at":"2026-11-02T15:45:24.612044Z"},{"id":"openSUSE-SU-2024:10194-1","title":"fetchmail-6.3.26-13.4 on GA media","description":"These are all security issues fixed in the fetchmail-6.3.26-13.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:21:21.677285Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"UBUNTU-CVE-2011-1947","description":"fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.","status":"withdrawn","published":"2011-06-02T19:55:00Z","modified":"2025-07-16T07:30:46.567221Z","updated_at":"2026-11-02T15:54:06.395274Z"}]}}