{"id":"CVE-2014-8241","aliases":["DEBIAN-CVE-2014-8241","EUVD-2014-8082","GHSA-gq2g-qwmw-m5q3","MGASA-2015-0459","RHSA-2015:2233"],"status":"published","title":"XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer...","description":"XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.","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":"2026-11-07","score":0.03063,"percentile":0.87694,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2015-11-26T20:47:39Z","modified":"2026-10-23T16:01:43Z","fixes":[{"ecosystem":"Debian:12","package":"tigervnc","fixed_in":["1.7.0-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tigervnc","fixed_in":["1.7.0-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tigervnc","fixed_in":["1.7.0-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tigervnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tigervnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tigervnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0-2"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"tigervnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-6.1.mga5"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"tigervnc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"tigervnc-server-applet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"tigervnc-server-module","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"tigervnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"tigervnc-icons","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"tigervnc-license","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"tigervnc-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"tigervnc-server-minimal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"tigervnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"tigervnc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"tigervnc-icons","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"tigervnc-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"tigervnc-server-applet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"tigervnc-server-module","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"tigervnc-license","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"tigervnc-server-minimal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"tigervnc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"tigervnc-server-applet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"tigervnc-server-module","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"tigervnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"tigervnc-icons","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"tigervnc-license","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"tigervnc-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"tigervnc-server-minimal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"tigervnc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"tigervnc-server-applet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"tigervnc-server-module","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"tigervnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"tigervnc-icons","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"tigervnc-license","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"tigervnc-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"tigervnc-server-minimal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.1-3.el7"}]}],"bundled":2}],"products":[{"vendor":"redhat","product":"enterprise_linux_desktop"},{"vendor":"redhat","product":"enterprise_linux_hpc_node"},{"vendor":"redhat","product":"enterprise_linux_server"},{"vendor":"redhat","product":"enterprise_linux_workstation"},{"vendor":"tigervnc","product":"tigervnc"}],"references":[{"url":"http://seclists.org/oss-sec/2014/q4/278","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","article"]},{"url":"https://rhn.redhat.com/errata/RHSA-2015-2233.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1151312","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","report"]},{"url":"http://www.securityfocus.com/bid/70390","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://seclists.org/oss-sec/2014/q4/300","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","article"]},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-8241","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gq2g-qwmw-m5q3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2014-8241","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2015-0459.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=17190","tags":["report"]},{"url":"https://access.redhat.com/errata/RHSA-2015:2233","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1072733","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1119640","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1151307","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1162722","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1181287","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1194898","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1195266","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1199437","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1199453","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_2233.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2014-8240","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-8240","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-8240","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2014-8241","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-8241","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2014-8241","description":"XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.","status":"published","published":"2016-12-14T22:00:00Z","modified":"2024-08-06T13:10:51.088Z","updated_at":"2026-11-02T14:33:43.206348Z"}],"euvd":[{"id":"EUVD-2014-8082","description":"XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.","status":"published","published":"2016-12-14T22:00:00Z","modified":"2024-08-06T13:10:51Z","updated_at":"2026-11-03T01:56:52.443165Z"}],"ghsa":[{"id":"GHSA-gq2g-qwmw-m5q3","title":"XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer...","description":"XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.","status":"published","published":"2022-05-17T03:21:05Z","modified":"2023-01-27T05:07:38Z","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-476"],"updated_at":"2026-11-02T14:43:09.795502Z"}],"nvd":[{"id":"CVE-2014-8241","description":"XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.","status":"published","published":"2016-12-14T22:59:00.2Z","modified":"2026-06-17T00:16:28.24Z","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-476"],"updated_at":"2026-11-02T14:02:58.385843Z"}],"osv":[{"id":"CVE-2014-8241","description":"XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.","status":"published","published":"2016-12-14T22:59:00Z","modified":"2026-04-16T06:25:16.113137806Z","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":"2026-11-02T15:44:00.097545Z"},{"id":"DEBIAN-CVE-2014-8241","description":"XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.","status":"published","published":"2016-12-14T22:59:00.2Z","modified":"2026-10-23T16:01:43.679323285Z","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":"2026-11-02T15:45:26.442161Z"},{"id":"MGASA-2015-0459","title":"Updated tigervnc packages fix security vulnerabilities","description":"Updated tigervnc packages fix security vulnerabilities:\n\nAn integer overflow flaw, leading to a heap-based buffer overflow, was\nfound in the way TigerVNC handled screen sizes. A malicious VNC server\ncould use this flaw to cause a client to crash or, potentially, execute\narbitrary code on the client (CVE-2014-8240).\n\nA NULL pointer dereference flaw was found in TigerVNC's XRegion.\nA malicious VNC server could use this flaw to cause a client to crash\n(CVE-2014-8241).\n","status":"published","published":"2015-11-26T20:47:39Z","modified":"2026-04-16T06:26:24.935015911Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"RHSA-2015:2233","title":"Red Hat Security Advisory: tigervnc security, bug fix, and enhancement update","status":"published","published":"2024-09-15T22:35:09Z","modified":"2026-06-28T10:15:13Z","updated_at":"2026-11-02T15:53:03.182161Z"}]}}