{"id":"UBUNTU-CVE-2018-6485","details":"An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.","modified":"2026-04-22T13:18:30.626461Z","published":"2018-02-01T14:29:00Z","related":["USN-4218-1","USN-4416-1"],"upstream":["CVE-2018-6485"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-6485"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4218-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4416-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-6485"}],"affected":[{"package":{"name":"eglibc","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.15+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.15+esm1"}]}],"versions":["2.17-93ubuntu4","2.18-0ubuntu1","2.18-0ubuntu2","2.18-0ubuntu4","2.18-0ubuntu5","2.18-0ubuntu6","2.18-0ubuntu7","2.19-0ubuntu2","2.19-0ubuntu3","2.19-0ubuntu4","2.19-0ubuntu5","2.19-0ubuntu6","2.19-0ubuntu6.1","2.19-0ubuntu6.3","2.19-0ubuntu6.4","2.19-0ubuntu6.5","2.19-0ubuntu6.6","2.19-0ubuntu6.7","2.19-0ubuntu6.8","2.19-0ubuntu6.9","2.19-0ubuntu6.10","2.19-0ubuntu6.11","2.19-0ubuntu6.13","2.19-0ubuntu6.14","2.19-0ubuntu6.15"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"eglibc-source","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc-bin","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc-dev-bin","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-amd64","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-armel","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-dev-amd64","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-dev-armel","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-dev-i386","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-dev-ppc64","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-dev-x32","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-i386","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-pic","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-ppc64","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-prof","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"libc6-x32","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"multiarch-support","binary_version":"2.19-0ubuntu6.15+esm1"},{"binary_name":"nscd","binary_version":"2.19-0ubuntu6.15+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6485.json"}},{"package":{"name":"glibc","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/glibc@2.23-0ubuntu11.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu11.2"}]}],"versions":["2.21-0ubuntu4","2.21-0ubuntu5","2.21-0ubuntu6","2.23-0ubuntu1","2.23-0ubuntu2","2.23-0ubuntu3","2.23-0ubuntu4","2.23-0ubuntu5","2.23-0ubuntu6","2.23-0ubuntu7","2.23-0ubuntu9","2.23-0ubuntu10","2.23-0ubuntu11"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"glibc-source","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc-bin","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc-dev-bin","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-amd64","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-armel","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-amd64","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-armel","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-i386","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-ppc64","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-s390","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-x32","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-i386","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-pic","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-ppc64","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-s390","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-x32","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"locales","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"locales-all","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"multiarch-support","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"nscd","binary_version":"2.23-0ubuntu11.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6485.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"}]}