{"id":"UBUNTU-CVE-2016-6871","details":"Integer overflow in bcmath in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors, which triggers a buffer overflow.","modified":"2026-04-22T10:54:46.463781Z","published":"2017-02-17T17:59:00Z","upstream":["CVE-2016-6871"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-6871"},{"type":"REPORT","url":"https://github.com/facebook/hhvm/commit/c00fc9d3003eb06226b58b6a48555f1456ee2475"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-6871"}],"affected":[{"package":{"name":"hhvm","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/hhvm@3.11.1+dfsg-1ubuntu1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.11.0+dfsg-1","3.11.1+dfsg-1","3.11.1+dfsg-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"hhvm","binary_version":"3.11.1+dfsg-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6871.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":"medium"}]}