{"id":"CVE-2020-14400","details":"An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary","modified":"2026-08-18T14:10:19.287595Z","published":"2020-06-17T16:15:11.993Z","related":["SUSE-SU-2020:14424-1","SUSE-SU-2020:1922-1","SUSE-SU-2020:2167-1","openSUSE-SU-2020:0988-1","openSUSE-SU-2020:1025-1","openSUSE-SU-2020:1056-1","openSUSE-SU-2024:10598-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"20.04"},{"last_affected":"20.04"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux","cpes":["cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"]},{"cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"9.0"},{"last_affected":"9.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"},{"vendor_product":"opensuse:leap","cpes":["cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.1"},{"last_affected":"15.1"},{"introduced":"15.2"},{"last_affected":"15.2"}],"source":"CPE_STRING"}]},"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"},{"type":"ADVISORY","url":"https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4434-1/"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1860361"},{"type":"FIX","url":"https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libvnc/libvncserver","events":[{"introduced":"0"},{"fixed":"2aa20dad4c23c18948d3f63b33f9dfec1f837729"},{"fixed":"53073c8d7e232151ea2ecd8a1243124121e10e2d"}],"database_specific":{"cpe":"cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"0.9.13"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["LibVNCServer-0.9.12","LibVNCServer-0.9.11","LibVNCServer-0.9.10","LibVNCServer-0.9.9","LibVNCServer-0.9.8","X11VNC_0_9_12","X11VNC_0_9_11","X11VNC_0_9_10","X11VNC_0_9_9","X11VNC_0_9_8","X11VNC_0_9_7","X11VNC_REL_0_9_6","X11VNC_REL_0_9_5","X11VNC_REL_0_9_4"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-14400.json","vanir_signatures_modified":"2026-08-18T14:10:19Z","vanir_signatures":[{"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["27286812576839115884543175160988269078","126378025424545499359211745975564175189","94072546939175517512903866765638939671","142913035614552476143277396473228735757","16491202129239839746453209863899231208","329118107097954020458462031759542038328","139540123818845539957203460069661562707","262702335076891001489415279451883678023","268278606668869684054629684412740624732","190302750283181718757184748493504315953"]},"id":"CVE-2020-14400-70f37e3b","signature_type":"Line","signature_version":"v1","source":"https://github.com/libvnc/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d","target":{"file":"libvncserver/translate.c"}},{"id":"CVE-2020-14400-bcfad6c4","signature_type":"Function","signature_version":"v1","source":"https://github.com/libvnc/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d","target":{"file":"libvncserver/translate.c","function":"rfbSetClientColourMapBGR233"},"deprecated":false,"digest":{"function_hash":"53011332413877103642289004836945053853","length":1002}}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}