{"id":"UBUNTU-CVE-2017-8906","details":"An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.4, as used by the x265_encoder_encode dependency in libbpg and other products. A small picture can cause an integer underflow, which leads to a Denial of Service in the process of encoding.","modified":"2025-09-08T16:44:15Z","published":"2017-05-11T20:29:00Z","upstream":["CVE-2017-8906"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-8906"},{"type":"REPORT","url":"https://bitbucket.org/multicoreware/x265_git/issues/345/integer-underflow-in-x265-source-common"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-8906"}],"affected":[{"package":{"name":"x265","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/x265@1.9-3ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7-4","1.8-4","1.8-5","1.8-6","1.9-3","1.9-3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.9-3ubuntu0.1~esm1","binary_name":"libx265-79"},{"binary_version":"1.9-3ubuntu0.1~esm1","binary_name":"libx265-dev"},{"binary_version":"1.9-3ubuntu0.1~esm1","binary_name":"x265"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8906.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}