{"id":"UBUNTU-CVE-2016-9846","details":"QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.","modified":"2026-01-30T02:12:33.093682Z","published":"2016-12-29T00:00:00Z","related":["USN-3261-1"],"upstream":["CVE-2016-9846"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-9846"},{"type":"REPORT","url":"https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/12/05/23"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3261-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-9846"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qemu@1:2.5+dfsg-5ubuntu10.11?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.5+dfsg-5ubuntu10.11"}]}],"versions":["1:2.3+dfsg-5ubuntu9","1:2.3+dfsg-5ubuntu10","1:2.4+dfsg-4ubuntu1","1:2.4+dfsg-4ubuntu2","1:2.4+dfsg-4ubuntu3","1:2.4+dfsg-5ubuntu3","1:2.5+dfsg-1ubuntu2","1:2.5+dfsg-1ubuntu3","1:2.5+dfsg-1ubuntu4","1:2.5+dfsg-1ubuntu5","1:2.5+dfsg-5ubuntu1","1:2.5+dfsg-5ubuntu2","1:2.5+dfsg-5ubuntu4","1:2.5+dfsg-5ubuntu6","1:2.5+dfsg-5ubuntu7","1:2.5+dfsg-5ubuntu10","1:2.5+dfsg-5ubuntu10.1","1:2.5+dfsg-5ubuntu10.2","1:2.5+dfsg-5ubuntu10.3","1:2.5+dfsg-5ubuntu10.4","1:2.5+dfsg-5ubuntu10.5","1:2.5+dfsg-5ubuntu10.6","1:2.5+dfsg-5ubuntu10.7","1:2.5+dfsg-5ubuntu10.8","1:2.5+dfsg-5ubuntu10.9","1:2.5+dfsg-5ubuntu10.10"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"qemu","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-block-extra","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-guest-agent","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-kvm","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system-aarch64","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system-arm","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system-common","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system-mips","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system-misc","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system-ppc","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system-s390x","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system-sparc","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-system-x86","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-user","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-user-binfmt","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-user-static","binary_version":"1:2.5+dfsg-5ubuntu10.11"},{"binary_name":"qemu-utils","binary_version":"1:2.5+dfsg-5ubuntu10.11"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9846.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}