{"id":"ALPINE-CVE-2016-9942","details":"Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.","modified":"2026-03-09T01:03:44.077055Z","published":"2016-12-31T18:59:00.180Z","upstream":["CVE-2016-9942"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2016-9942"}],"affected":[{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11-r0"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}},{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11-r0"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}},{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.2","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-r2"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}},{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.3","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-r2"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}},{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.4","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-r2"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}},{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.5","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10-r2"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}},{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.6","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11-r0"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}},{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.7","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11-r0"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}},{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.8","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11-r0"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}},{"package":{"name":"libvncserver","ecosystem":"Alpine:v3.9","purl":"pkg:apk/alpine/libvncserver?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11-r0"}]}],"versions":["0.9.10-r0","0.9.10-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}