{"id":"UBUNTU-CVE-2015-1781","details":"Buffer overflow in the gethostbyname_r and other unspecified NSS functions in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response, which triggers a call with a misaligned buffer.","modified":"2026-04-22T10:03:31.837271Z","published":"2015-09-28T00:00:00Z","related":["USN-2985-1"],"upstream":["CVE-2015-1781"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-1781"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2985-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-1781"}],"affected":[{"package":{"name":"eglibc","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.8?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.8"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"eglibc-source","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc-bin","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc-dev-bin","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-amd64","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-armel","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-dev-amd64","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-dev-armel","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-dev-i386","binary_version":"2.19-0ubuntu6.8"},{"binary_version":"2.19-0ubuntu6.8","binary_name":"libc6-dev-ppc64"},{"binary_name":"libc6-dev-x32","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-i386","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-pic","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-ppc64","binary_version":"2.19-0ubuntu6.8"},{"binary_version":"2.19-0ubuntu6.8","binary_name":"libc6-prof"},{"binary_name":"libc6-x32","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"multiarch-support","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"nscd","binary_version":"2.19-0ubuntu6.8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-1781.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"low"}]}