{"id":"UBUNTU-CVE-2015-7547","details":"Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted DNS response that triggers a call to the getaddrinfo function with the AF_UNSPEC or AF_INET6 address family, related to performing \"dual A/AAAA DNS queries\" and the libnss_dns.so.2 NSS module.","modified":"2026-04-22T10:35:01.149589Z","published":"2016-02-16T14:00:00Z","related":["USN-2900-1"],"upstream":["CVE-2015-7547"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-7547"},{"type":"REPORT","url":"https://sourceware.org/ml/libc-alpha/2016-02/msg00416.html"},{"type":"REPORT","url":"https://googleonlinesecurity.blogspot.com/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2900-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-7547"}],"affected":[{"package":{"name":"eglibc","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.7?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.7"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"eglibc-source","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc-bin","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc-dev-bin","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-amd64","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-armel","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-dev-amd64","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-dev-armel","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-dev-i386","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-dev-ppc64","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-dev-x32","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-i386","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-pic","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-ppc64","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-prof","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"libc6-x32","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"multiarch-support","binary_version":"2.19-0ubuntu6.7"},{"binary_name":"nscd","binary_version":"2.19-0ubuntu6.7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-7547.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}