{"id":"UBUNTU-CVE-2015-8789","details":"Use-after-free vulnerability in the EbmlMaster::Read function in libEBML before 1.3.3 allows context-dependent attackers to have unspecified impact via a \"deeply nested element with infinite size\" followed by another element of an upper level in an EBML document.","modified":"2026-04-22T10:23:39.490860Z","published":"2016-01-29T19:59:00Z","upstream":["CVE-2015-8789"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8789"},{"type":"REPORT","url":"https://github.com/Matroska-Org/libebml/commit/88409e2a94dd3b40ff81d08bf6d92f486d036b24"},{"type":"REPORT","url":"https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog"},{"type":"REPORT","url":"http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html"},{"type":"REPORT","url":"http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-8789"}],"affected":[{"package":{"name":"libebml","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libebml@1.3.0-2+deb8u1build0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0-2+deb8u1build0.14.04.1"}]}],"versions":["1.2.2-2","1.3.0-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libebml4","binary_version":"1.3.0-2+deb8u1build0.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-8789.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}