{"id":"CVE-2019-20788","details":"libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.","modified":"2026-05-17T11:54:57.644017420Z","published":"2020-04-23T19:15:12.763Z","related":["SUSE-SU-2020:1164-1","SUSE-SU-2020:1164-2","SUSE-SU-2020:1165-1","SUSE-SU-2020:14355-1","openSUSE-SU-2020:0624-1","openSUSE-SU-2024:10598-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"14.04"},{"last_affected":"16.04"},{"last_affected":"16.04"},{"last_affected":"18.04"},{"last_affected":"18.10"}],"source":"CPE_FIELD","vendor_product":"canonical:ubuntu_linux"},{"extracted_events":[{"last_affected":"8.0"},{"last_affected":"9.0"}],"cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"source":"CPE_FIELD","vendor_product":"debian:debian_linux"},{"extracted_events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}],"cpes":["cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*"],"source":"CPE_FIELD","vendor_product":"siemens:simatic_itc1500_firmware"},{"extracted_events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}],"cpes":["cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*"],"source":"CPE_FIELD","vendor_product":"siemens:simatic_itc1500_pro_firmware"},{"extracted_events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}],"cpes":["cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*"],"source":"CPE_FIELD","vendor_product":"siemens:simatic_itc1900_firmware"},{"cpes":["cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}],"source":"CPE_FIELD","vendor_product":"siemens:simatic_itc1900_pro_firmware"},{"extracted_events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}],"cpes":["cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*"],"source":"CPE_FIELD","vendor_product":"siemens:simatic_itc2200_firmware"},{"extracted_events":[{"introduced":"3.0.0.0"},{"fixed":"3.2.1.0"}],"cpes":["cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*"],"source":"CPE_FIELD","vendor_product":"siemens:simatic_itc2200_pro_firmware"}]},"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4407-1/"},{"type":"FIX","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"},{"type":"FIX","url":"https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed"},{"type":"EVIDENCE","url":"https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}