The strftime function in the GNU C Library (aka glibc or libc6) before 2.23 allows context-dependent attackers to cause a denial of service (application crash) or possibly obtain sensitive information via an out-of-range time value.
lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html
rhn.redhat.com/errata/RHSA-2017-0680.html
www.debian.org/security/2016/dsa-3480
www.debian.org/security/2016/dsa-3481
www.openwall.com/lists/oss-security/2016/01/19/11
www.openwall.com/lists/oss-security/2016/01/20/1
www.securityfocus.com/bid/83277
www.ubuntu.com/usn/USN-2985-1
www.ubuntu.com/usn/USN-2985-2
access.redhat.com/errata/RHSA-2017:1916
lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html
security.gentoo.org/glsa/201602-02
security.gentoo.org/glsa/201702-11
sourceware.org/bugzilla/show_bug.cgi?id=18985
www.sourceware.org/ml/libc-alpha/2016-02/msg00502.html