CVE-2015-7547

Published: 16 February 2016

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.

Priority

High

CVSS 3 base score: 8.1

Status

Package Release Status
eglibc
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr)
Released (2.19-0ubuntu6.7)
glibc
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 LTS (Xenial Xerus)
Released (2.21-0ubuntu6)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist