{"id":"UBUNTU-CVE-2018-6406","details":"The function ParseVP9SuperFrameIndex in common/libwebm_util.cc in libwebm through 2018-01-30 does not validate the child_frame_length data obtained from a .webm file, which allows remote attackers to cause an information leak or a denial of service (heap-based buffer over-read and later out-of-bounds write), or possibly have unspecified other impact.","modified":"2025-10-24T04:46:54Z","published":"2018-01-30T21:29:00Z","upstream":["CVE-2018-6406"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-6406"},{"type":"REPORT","url":"https://github.com/dwfault/PoCs/blob/master/libwebm%20ParseVP9SuperFrameIndex%20memory%20corruption/libwebm%20ParseVP9SuperFrameIndex%20OOB%20read.md"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-6406"}],"affected":[{"package":{"name":"oxide-qt","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/oxide-qt@1.21.5-0ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.5-0ubuntu1","1.10.3-0ubuntu0.15.10.1","1.10.3-0ubuntu0.15.10.2","1.11.3-0ubuntu3","1.11.4-0ubuntu1","1.11.5-0ubuntu1","1.12.5-0ubuntu1","1.12.6-0ubuntu1","1.12.7-0ubuntu1","1.13.6-0ubuntu1","1.14.7-0ubuntu1","1.14.9-0ubuntu0.16.04.1","1.15.7-0ubuntu0.16.04.1","1.15.8-0ubuntu0.16.04.1","1.16.5-0ubuntu0.16.04.1","1.17.7-0ubuntu0.16.04.1","1.17.9-0ubuntu0.16.04.1","1.18.3-0ubuntu0.16.04.1","1.18.5-0ubuntu0.16.04.1","1.19.4-0ubuntu0.16.04.1","1.20.4-0ubuntu0.16.04.1","1.21.5-0ubuntu0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.21.5-0ubuntu0.16.04.1","binary_name":"liboxideqt-qmlplugin"},{"binary_version":"1.21.5-0ubuntu0.16.04.1","binary_name":"liboxideqtcore-dev"},{"binary_version":"1.21.5-0ubuntu0.16.04.1","binary_name":"liboxideqtcore0"},{"binary_version":"1.21.5-0ubuntu0.16.04.1","binary_name":"liboxideqtquick-dev"},{"binary_version":"1.21.5-0ubuntu0.16.04.1","binary_name":"liboxideqtquick0"},{"binary_version":"1.21.5-0ubuntu0.16.04.1","binary_name":"oxideqt-codecs"},{"binary_version":"1.21.5-0ubuntu0.16.04.1","binary_name":"oxideqt-codecs-extra"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6406.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}