{"id":"CVE-2019-6256","aliases":["DEBIAN-CVE-2019-6256","DLA-1690-1","DSA-4408-1","EUVD-2019-15823","GHSA-j293-2f59-6wr3","UBUNTU-CVE-2019-6256","USN-4853-1","openSUSE-SU-2019:0058-1","openSUSE-SU-2024:11023-1"],"status":"published","title":"A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in...","description":"A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in Live555 Media Server 0.93. It can cause an RTSPServer crash in handleHTTPCmd_TunnelingPOST, when RTSP-over-HTTP tunneling is supported, via x-sessioncookie HTTP headers in a GET request and a POST request within the same TCP session. This occurs because of a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02435,"percentile":0.84403,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-755"],"published":"2019-01-14T07:00:00Z","modified":"2026-10-05T04:00:03Z","fixes":[{"ecosystem":"Debian:14","package":"liblivemedia","fixed_in":["2018.11.26-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"liblivemedia","fixed_in":["2016.02.09-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"liblivemedia","fixed_in":["2018.02.18-1ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:14","package":"liblivemedia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2018.11.26-1"}]}],"versions":["2004.11.11a-1","2005.04.01-1","2005.06.16-1","2005.07.21-1","2005.10.05-1","2006.03.17-1","2006.03.17-2","2007.02.20-1","2007.02.20-2","2008.07.25-1","2008.07.25-2","2009.11.27-1","2010.02.10-1","2010.04.09-1","2010.11.17-1","2011.03.14-1","2011.05.25-1","2011.06.16-1","2011.07.08-1","2011.07.21-1","2011.08.22-1","2011.09.02-1","2011.12.23-1","2012.02.04-1","2012.02.29-1","2012.02.29-2","2012.04.04-1","2012.04.21-1","2012.05.03-1","2012.05.03-1~bpo60+1","2012.05.17-1","2012.05.17-1+wheezy1","2012.05.17-1~bpo60+1","2012.08.31-1","2012.10.24-1","2012.11.16-1","2012.11.30-1","2013.01.05-1","2013.01.05-2","2013.01.05-3","2013.01.15-1","2013.04.30-1","2013.10.25-1","2014.01.13-1","2015.12.22-1","2016.01.12-1","2016.01.16-1","2016.01.20-1","2016.01.29-1","2016.01.29-2","2016.02.09-1","2016.03.16-1","2016.04.01-1","2016.04.21-1","2016.06.26-1","2016.07.19-1","2016.08.07-1","2016.08.27-1","2016.09.22-1","2016.11.06-1","2016.11.17-1","2016.11.28-1","2017.01.26-1","2017.04.10-1","2017.04.26-1","2017.06.04-1","2017.06.04-2","2017.07.18-1","2017.09.12-1","2017.10.28-1","2017.10.28-2","2018.01.24-1","2018.01.29-1","2018.02.18-1","2018.02.28-1","2018.04.25-1","2018.04.25-2","2018.07.07-1","2018.08.05-1","2018.08.27-1","2018.08.27-2","2018.08.28a-1","2018.09.06-1","2018.09.10-1","2018.09.18-1","2018.10.17-1"]},{"source":"osv","ecosystem":"Debian:8","package":"liblivemedia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2014.01.13-1+deb8u2"}]}],"versions":["2014.01.13-1","2014.01.13-1+deb8u1"],"bundled":2},{"source":"osv","ecosystem":"Debian:9","package":"liblivemedia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2016.11.28-1+deb9u2"}]}],"versions":["2016.11.28-1","2016.11.28-1+deb9u1"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"liblivemedia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2016.02.09-1ubuntu0.1~esm1"}]}],"versions":["2014.01.13-1","2016.01.29-2","2016.02.09-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"liblivemedia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2018.02.18-1ubuntu0.1~esm1"}]}],"versions":["2017.07.18-1","2017.09.12-1ubuntu1","2017.10.28-2","2018.01.29-1","2018.02.18-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"liblivemedia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2016.02.09-1ubuntu0.1~esm1"}]}],"versions":["2014.01.13-1","2016.01.29-2","2016.02.09-1"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"liblivemedia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2018.02.18-1ubuntu0.1~esm1"}]}],"versions":["2017.07.18-1","2017.09.12-1ubuntu1","2017.10.28-2","2018.01.29-1","2018.02.18-1"],"bundled":4},{"source":"osv","ecosystem":"SUSE:Package Hub 15","package":"live555","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2018.12.14-bp150.3.3.1"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Leap 15.0","package":"live555","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2018.12.14-bp150.3.3.1"}]}],"bundled":2}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"live555","product":"live555_media_server"}],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2019/02/msg00037.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://github.com/rgaufman/live555/issues/19","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://seclists.org/bugtraq/2019/Mar/22","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Issue Tracking","Mailing List","Third Party Advisory"]},{"url":"https://www.debian.org/security/2019/dsa-4408","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202005-06","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6256"},{"url":"https://github.com/advisories/GHSA-j293-2f59-6wr3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-6256","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-6256","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4853-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-6256","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-4013","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-7314","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-9215","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/4NOTQMR6AICFVIHO7JSMILX3ERHDS52U/#4NOTQMR6AICFVIHO7JSMILX3ERHDS52U","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1114779","tags":["report"]},{"url":"https://bugzilla.suse.com/1121892","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-4013","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-6256","tags":["web"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15232","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7314","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9215","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28899","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-38380","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-38381","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-38382","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-39282","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-39283","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-6256","description":"A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in Live555 Media Server 0.93. It can cause an RTSPServer crash in handleHTTPCmd_TunnelingPOST, when RTSP-over-HTTP tunneling is supported, via x-sessioncookie HTTP headers in a GET request and a POST request within the same TCP session. This occurs because of a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp.","status":"published","published":"2019-01-14T07:00:00Z","modified":"2024-08-04T20:16:24.664Z","updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-15823","description":"A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in Live555 Media Server 0.93. It can cause an RTSPServer crash in handleHTTPCmd_TunnelingPOST, when RTSP-over-HTTP tunneling is supported, via x-sessioncookie HTTP headers in a GET request and a POST request within the same TCP session. This occurs because of a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp.","status":"published","published":"2019-01-14T07:00:00Z","modified":"2024-08-04T20:16:24Z","updated_at":"2026-11-03T03:06:49.709251Z"}],"ghsa":[{"id":"GHSA-j293-2f59-6wr3","title":"A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in...","description":"A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in Live555 Media Server 0.93. It can cause an RTSPServer crash in handleHTTPCmd_TunnelingPOST, when RTSP-over-HTTP tunneling is supported, via x-sessioncookie HTTP headers in a GET request and a POST request within the same TCP session. This occurs because of a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp.","status":"published","published":"2022-05-13T01:22:39Z","modified":"2023-02-01T05:07:01Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:50:27.906349Z"}],"nvd":[{"id":"CVE-2019-6256","description":"A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in Live555 Media Server 0.93. It can cause an RTSPServer crash in handleHTTPCmd_TunnelingPOST, when RTSP-over-HTTP tunneling is supported, via x-sessioncookie HTTP headers in a GET request and a POST request within the same TCP session. This occurs because of a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp.","status":"published","published":"2019-01-14T08:29:00.427Z","modified":"2026-06-17T02:38:53.613Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:05:02.989216Z"}],"osv":[{"id":"DEBIAN-CVE-2019-6256","description":"A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in Live555 Media Server 0.93. It can cause an RTSPServer crash in handleHTTPCmd_TunnelingPOST, when RTSP-over-HTTP tunneling is supported, via x-sessioncookie HTTP headers in a GET request and a POST request within the same TCP session. This occurs because of a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp.","status":"published","published":"2019-01-14T08:29:00.427Z","modified":"2026-10-05T04:00:03.983349543Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:32.57265Z"},{"id":"UBUNTU-CVE-2019-6256","description":"A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in Live555 Media Server 0.93. It can cause an RTSPServer crash in handleHTTPCmd_TunnelingPOST, when RTSP-over-HTTP tunneling is supported, via x-sessioncookie HTTP headers in a GET request and a POST request within the same TCP session. This occurs because of a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp.","status":"published","published":"2019-01-14T08:29:00Z","modified":"2026-04-22T12:20:22.187514Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:21.741399Z"},{"id":"DLA-1690-1","title":"liblivemedia - security update","status":"published","published":"2019-02-26T00:00:00Z","modified":"2026-03-09T01:21:15.915096Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"DSA-4408-1","title":"liblivemedia - security update","status":"published","published":"2019-03-17T00:00:00Z","modified":"2026-03-09T02:08:30.668907Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"openSUSE-SU-2019:0058-1","title":"Security update for live555","description":"This update fixes two security issues in live555:\n\n- CVE-2018-4013: Remote code execution vulnerability (bsc#1114779)\n- CVE-2019-6256: Denial of Service issue with RTSP-over-HTTP tunneling via x-sessioncookie HTTP headers (boo#1121892)\n\nThis library is statically linked into VLC. However VLC is not affected because it only uses the live555 library to implement the RTSP client.","status":"published","published":"2019-03-23T10:48:15Z","modified":"2026-02-04T03:02:14.756726Z","updated_at":"2026-11-02T16:58:30.39372Z"},{"id":"openSUSE-SU-2024:11023-1","title":"libBasicUsageEnvironment1-2021.08.23-1.2 on GA media","description":"These are all security issues fixed in the libBasicUsageEnvironment1-2021.08.23-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:35:01.824047Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"USN-4853-1","title":"liblivemedia vulnerabilities","description":"It was discovered that liveMedia incorrectly handled certain network\npackets. An attacker could possibly use this issue to execute arbitrary\ncode. (CVE-2018-4013)\n\nIt was discovered that liveMedia incorrectly handled certain network\nsessions. An attacker could possibly use this issue to cause a denial of\nservice. (CVE-2019-6256)\n\nIt was discovered that liveMedia incorrectly handled certain RTSP\nstreamings. An attacker could possiby use this issue to cause a denial of\nservice or other unspecified impact. (CVE-2019-7314)\n\nIt was discovered that liveMedia incorrectly handled certain requests. An\nattacker could possibly use this issue to obtain sensitive information.\n(CVE-2019-9215)","status":"published","published":"2021-03-15T22:39:54Z","modified":"2026-06-25T13:30:31.839908861Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}