{"id":"CVE-2020-14403","aliases":["ALPINE-CVE-2020-14403","DEBIAN-CVE-2020-14403","DLA-2264-1","DLA-2347-1","EUVD-2020-6542","GHSA-x76c-7x48-932f","MGASA-2020-0280","MGASA-2020-0288","SUSE-SU-2020:2167-1","UBUNTU-CVE-2020-14403","USN-4434-1","USN-4573-1","openSUSE-SU-2024:10598-1"],"status":"published","title":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of...","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0161,"percentile":0.76102,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119","CWE-125","CWE-787"],"published":"2020-06-17T15:12:21Z","modified":"2026-11-03T06:32:30Z","fixes":[{"ecosystem":"Alpine:v3.12","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"libvncserver","fixed_in":["0.9.13-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"libvncserver","fixed_in":["0.9.13+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libvncserver","fixed_in":["0.9.13+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libvncserver","fixed_in":["0.9.13+dfsg-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"libvncserver","fixed_in":["0.9.10+dfsg-3ubuntu0.16.04.5"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"vino","fixed_in":["3.8.1-0ubuntu9.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"libvncserver","fixed_in":["0.9.11+dfsg-1ubuntu1.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"vino","fixed_in":["3.22.0-3ubuntu1.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"libvncserver","fixed_in":["0.9.12+dfsg-9ubuntu0.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"vino","fixed_in":["3.22.0-5ubuntu2.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.12","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libvncserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.13+dfsg-1"}]}]},{"source":"osv","ecosystem":"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Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14403"},{"url":"https://github.com/advisories/GHSA-x76c-7x48-932f"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-14403","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-14403","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0280.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26881","tags":["report"]},{"url":"https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.13","tags":["web"]},{"url":"https://www.debian.org/lts/security/2020/dla-2264","tags":["web"]},{"url":"https://advisories.mageia.org/MGASA-2020-0288.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26882","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20202167-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1173477","tags":["report"]},{"url":"https://bugzilla.suse.com/1173691","tags":["report"]},{"url":"https://bugzilla.suse.com/1173694","tags":["report"]},{"url":"https://bugzilla.suse.com/1173700","tags":["report"]},{"url":"https://bugzilla.suse.com/1173701","tags":["report"]},{"url":"https://bugzilla.suse.com/1173743","tags":["report"]},{"url":"https://bugzilla.suse.com/1173874","tags":["report"]},{"url":"https://bugzilla.suse.com/1173875","tags":["report"]},{"url":"https://bugzilla.suse.com/1173876","tags":["report"]},{"url":"https://bugzilla.suse.com/1173880","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-18922","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-21247","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20839","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20840","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14397","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14398","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14399","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14400","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14401","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14402","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14403","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14404","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-14403","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4434-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-4573-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-14403","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-20839","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-20840","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14396","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14397","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14398","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14399","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14400","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14401","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14402","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14404","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14405","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-6053","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-7225","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-15681","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2006-2450","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15127","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20019","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20020","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20021","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20022","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20023","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20024","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20748","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20749","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20750","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-6307","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7225","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15681","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15690","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20788","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25708","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-14403","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.","status":"published","published":"2020-06-17T15:12:21Z","modified":"2024-08-04T12:46:34.094Z","updated_at":"2026-11-02T14:35:46.476719Z"}],"euvd":[{"id":"EUVD-2020-6542","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.","status":"published","published":"2020-06-17T15:12:21Z","modified":"2024-08-04T12:46:34Z","updated_at":"2026-11-03T03:07:34.099541Z"}],"ghsa":[{"id":"GHSA-x76c-7x48-932f","title":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of...","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.","status":"published","published":"2022-05-24T17:20:48Z","modified":"2023-01-29T05:02:53Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-119","CWE-125","CWE-787"],"updated_at":"2026-11-02T14:45:11.88268Z"}],"nvd":[{"id":"CVE-2020-14403","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.","status":"published","published":"2020-06-17T16:15:12.213Z","modified":"2026-06-17T02:54:42.55Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:07.249892Z"}],"osv":[{"id":"ALPINE-CVE-2020-14403","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.","status":"published","published":"2020-06-17T16:15:12.213Z","modified":"2026-11-03T06:32:30.9033297Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T07:17:41.158523Z"},{"id":"CVE-2020-14403","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.","status":"published","published":"2020-06-17T16:15:12.213Z","modified":"2026-10-20T13:50:30.445983302Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"DEBIAN-CVE-2020-14403","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.","status":"published","published":"2020-06-17T16:15:12.213Z","modified":"2026-10-26T12:01:36.201604808Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"UBUNTU-CVE-2020-14403","description":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.","status":"published","published":"2020-06-17T16:15:00Z","modified":"2026-10-17T12:55:44.058003955Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:22.804634Z"},{"id":"DLA-2264-1","title":"libvncserver - security update","status":"published","published":"2020-06-30T00:00:00Z","modified":"2026-03-09T01:19:51.140889Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"DLA-2347-1","title":"libvncserver - security update","status":"published","published":"2020-08-28T00:00:00Z","modified":"2026-03-09T01:20:12.604709Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"MGASA-2020-0280","title":"Updated libvncserver packages fix security vulnerability","description":"Updated libvncserver packages fix security vulnerabilities:\n\nlibvncclient/sockets.c in LibVNCServer had a buffer overflow via a long\nsocket filename (CVE-2019-20839).\n\nlibvncserver/rfbregion.c had a NULL pointer dereference (CVE-2020-14397).\n\nByte-aligned data was accessed through uint32_t pointers in\nlibvncclient/rfbproto.c (CVE-2020-14399).\n\nByte-aligned data was accessed through uint16_t pointers in\nlibvncserver/translate.c (CVE-2020-14400).\n\nlibvncserver/scale.c had a pixel_value integer overflow (CVE-2020-14401).\n\nlibvncserver/corre.c allowed out-of-bounds access via encodings\n(CVE-2020-14402).\n\nlibvncserver/hextile.c allowed out-of-bounds access via encodings\n(CVE-2020-14403).\n\nlibvncserver/rre.c allowed out-of-bounds access via encodings\n(CVE-2020-14404).\n\nlibvncclient/rfbproto.c does not limit TextChat size (CVE-2020-14405).\n\nThe libvncserver package has been updated to version 0.9.13, fixing these\nissues and several others.  See the release announcement for details.\n","status":"published","published":"2020-07-05T19:48:23Z","modified":"2026-04-16T04:42:45.902870887Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"MGASA-2020-0288","title":"Updated vino packages fix security vulnerability","description":"The updated package fixes security vulnerabilities:\nAn issue was discovered in LibVNCServer before 0.9.13.\nlibvncserver/rfbregion.c has a NULL pointer dereference.\n(CVE-2020-14397)\nByte-aligned data is accessed through uint16_t pointers in\nlibvncserver/translate.c. (CVE-2020-14400)\nlibvncserver/corre.c allows out-of-bounds access via encodings.\n(CVE-2020-14402)\nlibvncserver/hextile.c allows out-of-bounds access via encodings.\n(CVE-2020-14403)\nAn issue was discovered in LibVNCServer before 0.9.13.\nlibvncserver/rre.c allows out-of-bounds access via encodings. \n(CVE-2020-14404)\n","status":"published","published":"2020-07-10T08:01:08Z","modified":"2026-04-16T04:42:43.057647644Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2024:10598-1","title":"LibVNCServer-devel-0.9.13-3.1 on GA media","description":"These are all security issues fixed in the LibVNCServer-devel-0.9.13-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:15:49.041318Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2020:2167-1","title":"Security update for LibVNCServer","description":"This update for LibVNCServer fixes the following issues:\n\n- security update\n  fix CVE-2018-21247 [bsc#1173874], uninitialized memory contents are vulnerable to Information leak\n  fix CVE-2019-20839 [bsc#1173875], buffer overflow in ConnectClientToUnixSock()\n  fix CVE-2019-20840 [bsc#1173876], unaligned accesses in hybiReadAndDecode can lead to denial of service\n  fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c\n  fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c\n  fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c.\n  fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.\n  fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c\n  fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings.\n  fix CVE-2020-14403 [bsc#1173701], out-of-bounds access via encodings.\n  fix CVE-2020-14404 [bsc#1173701], out-of-bounds access via encodings.\n  fix CVE-2017-18922 [bsc#1173477], preauth buffer overwrite\n","status":"published","published":"2020-08-07T12:54:44Z","modified":"2026-02-04T02:41:32.568422Z","updated_at":"2026-11-02T15:53:48.11786Z"},{"id":"USN-4434-1","title":"libvncserver vulnerabilities","description":"Ramin Farajpour Cami discovered that LibVNCServer incorrectly handled\ncertain malformed unix socket names. A remote attacker could exploit this\nwith a crafted socket name, leading to a denial of service, or possibly\nexecute arbitrary code. (CVE-2019-20839)\n\nIt was discovered that LibVNCServer did not properly access byte-aligned\ndata. A remote attacker could possibly use this issue to cause\nLibVNCServer to crash, resulting in a denial of service. This issue only\naffected Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2019-20840)\n\nChristian Beier discovered that LibVNCServer incorrectly handled anonymous\nTLS connections. A remote attacker could possibly use this issue to cause\nLibVNCServer to crash, resulting in a denial of service. This issue only\naffected Ubuntu 20.04 LTS. (CVE-2020-14396)\n\nIt was discovered that LibVNCServer incorrectly handled region clipping. A\nremote attacker could possibly use this issue to cause LibVNCServer to\ncrash, resulting in a denial of service. (CVE-2020-14397)\n\nIt was discovered that LibVNCServer did not properly reset incorrectly\nterminated TCP connections. A remote attacker could possibly use this\nissue to cause an infinite loop, resulting in a denial of service.\n(CVE-2020-14398)\n\nIt was discovered that LibVNCServer did not properly access byte-aligned\ndata. A remote attacker could possibly use this issue to cause\nLibVNCServer to crash, resulting in a denial of service. (CVE-2020-14399,\nCVE-2020-14400)\n\nIt was discovered that LibVNCServer incorrectly handled screen scaling on\nthe server side. A remote attacker could use this issue to cause\nLibVNCServer to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2020-14401)\n\nIt was discovered that LibVNCServer incorrectly handled encodings. A\nremote attacker could use this issue to cause LibVNCServer to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2020-14402, CVE-2020-14403, CVE-2020-14404)\n\nIt was discovered that LibVNCServer incorrectly handled TextChat messages.\nA remote attacker could possibly use this issue to cause LibVNCServer to\ncrash, resulting in a denial of service. (CVE-2020-14405)\n","status":"published","published":"2020-07-23T20:09:25Z","modified":"2026-04-27T15:48:46.367539073Z","updated_at":"2026-11-02T16:58:14.547547Z"},{"id":"USN-4573-1","title":"vino vulnerabilities","description":"Nicolas Ruff discovered that Vino incorrectly handled large ClientCutText\nmessages. A remote attacker could use this issue to cause the server to\ncrash, resulting in a denial of service. (CVE-2014-6053)\n\nIt was discovered that Vino incorrectly handled certain packet lengths. A\nremote attacker could possibly use this issue to obtain sensitive\ninformation, cause a denial of service, or execute arbitrary code.\n(CVE-2018-7225)\n\nPavel Cheremushkin discovered that an information disclosure vulnerability\nexisted in Vino when sending a ServerCutText message. An attacker could\npossibly use this issue to expose sensitive information. (CVE-2019-15681)\n\nIt was discovered that Vino incorrectly handled region clipping. A remote\nattacker could possibly use this issue to cause Vino to crash, resulting in\na denial of service. (CVE-2020-14397)\n\nIt was discovered that Vino incorrectly handled encodings. A remote\nattacker could use this issue to cause Vino to crash, resulting in a denial\nof service, or possibly execute arbitrary code. (CVE-2020-14402,\nCVE-2020-14403, CVE-2020-14404)\n","status":"published","published":"2020-10-07T12:45:39Z","modified":"2026-04-27T15:43:30.812322Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}