{"id":"CVE-2018-7226","aliases":["EUVD-2018-18965","GHSA-8pmm-h92r-4qxw","UBUNTU-CVE-2018-7226"],"status":"published","title":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the...","description":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.","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":"2026-11-09","score":0.02553,"percentile":0.85165,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2018-02-19T17:00:00Z","modified":"2026-10-20T10:49:56Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"vncterm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"vncterm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2","0.9.10-2build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"vncterm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"vncterm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"vncterm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2build1"]}],"products":[{"vendor":"vncterm_project","product":"vncterm"}],"references":[{"url":"https://github.com/LibVNC/vncterm/issues/6","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"http://openwall.com/lists/oss-security/2018/02/18/2","tags":["x_refsource_MISC","x_transferred","Mailing List","article","report"]},{"url":"https://security.gentoo.org/glsa/201908-05","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7226"},{"url":"https://github.com/advisories/GHSA-8pmm-h92r-4qxw"},{"url":"https://ubuntu.com/security/CVE-2018-7226","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-7226","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-7226","description":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.","status":"published","published":"2018-02-19T17:00:00Z","modified":"2024-08-05T06:24:11.512Z","updated_at":"2026-11-02T14:35:10.313768Z"}],"euvd":[{"id":"EUVD-2018-18965","description":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.","status":"published","published":"2018-02-19T17:00:00Z","modified":"2024-08-05T06:24:11Z","updated_at":"2026-11-03T02:40:06.159235Z"}],"ghsa":[{"id":"GHSA-8pmm-h92r-4qxw","title":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the...","description":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.","status":"published","published":"2022-05-14T00:54:15Z","modified":"2023-02-02T05:02:33Z","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-190"],"updated_at":"2026-11-02T14:51:28.259401Z"}],"nvd":[{"id":"CVE-2018-7226","description":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.","status":"published","published":"2018-02-19T17:29:00.267Z","modified":"2026-06-17T02:02:49.287Z","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-190"],"updated_at":"2026-11-02T14:04:23.783914Z"}],"osv":[{"id":"CVE-2018-7226","description":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.","status":"published","published":"2018-02-19T17:29:00.267Z","modified":"2026-10-20T10:49:56.799299091Z","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":"2026-11-02T15:44:09.74357Z"},{"id":"UBUNTU-CVE-2018-7226","description":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.","status":"published","published":"2018-02-19T17:29:00Z","modified":"2025-10-24T04:46:56Z","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":"2026-11-02T15:54:18.772093Z"}]}}