Multiple stack-based buffer overflows in the GNU C Library (aka glibc or libc6) before 2.23 allow context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long argument to the (1) nan, (2) nanf, or (3) nanl function.
https://www.sourceware.org/ml/libc-alpha/2016-02/msg00502.html
https://sourceware.org/bugzilla/show_bug.cgi?id=16962
https://security.gentoo.org/glsa/201702-11
https://seclists.org/bugtraq/2019/Sep/7
https://seclists.org/bugtraq/2019/Jun/14
https://access.redhat.com/errata/RHSA-2017:1916
http://www.ubuntu.com/usn/USN-2985-2
http://www.ubuntu.com/usn/USN-2985-1
http://www.securityfocus.com/bid/83306
http://www.openwall.com/lists/oss-security/2016/01/20/1
http://www.openwall.com/lists/oss-security/2016/01/19/11
http://seclists.org/fulldisclosure/2019/Sep/7
http://seclists.org/fulldisclosure/2019/Jun/18
http://rhn.redhat.com/errata/RHSA-2017-0680.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html