{"id":"UBUNTU-CVE-2018-11237","details":"An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.","modified":"2026-01-30T01:08:47.183381Z","published":"2018-05-18T16:29:00Z","related":["USN-4416-1"],"upstream":["CVE-2018-11237"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11237"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4416-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-11237"}],"affected":[{"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":{"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","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"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11237.json"}},{"package":{"name":"glibc","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/glibc@2.27-3ubuntu1.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.27-3ubuntu1.2"}]}],"versions":["2.26-0ubuntu2","2.26-0ubuntu2.1","2.27-0ubuntu2","2.27-0ubuntu3","2.27-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"glibc-source","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc-bin","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc-dev-bin","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-amd64","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-armel","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-amd64","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-armel","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-i386","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-s390","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-x32","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-i386","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-pic","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-s390","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-x32","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"locales","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"locales-all","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"multiarch-support","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"nscd","binary_version":"2.27-3ubuntu1.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11237.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}