{"id":"UBUNTU-CVE-2016-7949","details":"Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.","modified":"2026-04-22T11:39:11.372095Z","published":"2016-12-13T20:59:00Z","related":["USN-5436-1"],"upstream":["CVE-2016-7949"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-7949"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/10/04/4"},{"type":"REPORT","url":"https://lists.x.org/archives/xorg-announce/2016-October/002720.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5436-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-7949"}],"affected":[{"package":{"name":"libxrender","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libxrender@1:0.9.8-1build0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.9.8-1","1:0.9.8-1build0.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxrender1","binary_version":"1:0.9.8-1build0.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7949.json"}},{"package":{"name":"libxrender","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libxrender@1:0.9.9-0ubuntu1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.9.9-0ubuntu1+esm1"}]}],"versions":["1:0.9.9-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxrender1","binary_version":"1:0.9.9-0ubuntu1+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7949.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}