{"id":"CVE-2016-4414","aliases":["DEBIAN-CVE-2016-4414","EUVD-2016-5414","GHSA-r62h-rf3r-q857","MGASA-2016-0166","UBUNTU-CVE-2016-4414","openSUSE-SU-2024:10119-1"],"status":"published","title":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote...","description":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02854,"percentile":0.86822,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2016-05-05T16:26:44Z","modified":"2026-10-20T10:47:28Z","fixes":[{"ecosystem":"Debian:12","package":"quassel","fixed_in":["1:0.12.4-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"quassel","fixed_in":["1:0.12.4-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"quassel","fixed_in":["1:0.12.4-2"],"sources":["osv"]},{"ecosystem":"Mageia:5","package":"quassel","fixed_in":["0.10.1-5.2.mga5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"quassel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.12.4-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"quassel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.12.4-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"quassel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.12.4-2"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"quassel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.1-5.2.mga5"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"quassel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.12.2-0ubuntu1","0.12.2-0ubuntu1.16.04.2"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"quassel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.4-3.3"}]}],"bundled":3}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"opensuse","product":"leap"},{"vendor":"opensuse","product":"opensuse"},{"vendor":"quassel-irc","product":"quassel"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2016/04/30/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://github.com/quassel/quassel/commit/e678873","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-updates/2016-05/msg00063.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://quassel-irc.org/node/129","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183746.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2016/04/30/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183571.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183585.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4414"},{"url":"https://github.com/advisories/GHSA-r62h-rf3r-q857"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-4414","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2016-0166.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=18324","tags":["report"]},{"url":"http://openwall.com/lists/oss-security/2016/04/30/4","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2016-4414","tags":["report"]},{"url":"https://github.com/quassel/quassel/blob/f64ac93/src/core/coreauthhandler.cpp#L100","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-4414","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4422","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8547","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4414","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2016-4414","description":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.","status":"published","published":"2016-06-13T19:00:00Z","modified":"2024-08-06T00:25:14.59Z","updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2016-5414","description":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.","status":"published","published":"2016-06-13T19:00:00Z","modified":"2024-08-06T00:25:14Z","updated_at":"2026-11-03T02:22:46.750795Z"}],"ghsa":[{"id":"GHSA-r62h-rf3r-q857","title":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote...","description":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.","status":"published","published":"2022-05-14T02:08:56Z","modified":"2023-02-02T05:04:58Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:51:59.92181Z"}],"nvd":[{"id":"CVE-2016-4414","description":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.","status":"published","published":"2016-06-13T19:59:08.003Z","modified":"2026-06-17T00:47:30.677Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:03:26.642445Z"}],"osv":[{"id":"CVE-2016-4414","description":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.","status":"published","published":"2016-06-13T19:59:08.003Z","modified":"2026-10-20T10:47:28.050149175Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.454775Z"},{"id":"DEBIAN-CVE-2016-4414","description":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.","status":"published","published":"2016-06-13T19:59:08.003Z","modified":"2026-09-22T07:02:04.883546Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.627285Z"},{"id":"UBUNTU-CVE-2016-4414","description":"The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.","status":"published","published":"2016-06-13T19:59:00Z","modified":"2025-10-24T04:45:45Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:12.261906Z"},{"id":"MGASA-2016-0166","title":"Updated quassel packages fix CVE-2016-4414","description":"Updated quassel packages fix security vulnerability:\n\nIt was found that quasselcore is vulnerable to a denial of service attack by\nunauthenticated clients. The protocol negotiation did not take into account\nlack of a match in handshake data, in which case PeerFactory::createPeer\nreturns a nullptr, which is immediately dereferenced (CVE-2016-4414).\n","status":"published","published":"2016-05-05T16:26:44Z","modified":"2026-04-16T06:24:03.749997513Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"openSUSE-SU-2024:10119-1","title":"quassel-base-0.12.4-3.3 on GA media","description":"These are all security issues fixed in the quassel-base-0.12.4-3.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:20:45.883313Z","updated_at":"2026-11-02T16:58:33.135986Z"}]}}