OCaml before 4.03.0 does not properly handle sign extensions, which allows remote attackers to conduct buffer overflow attacks or obtain sensitive information as demonstrated by a long string to the String.copy function.
lists.fedoraproject.org/pipermail/package-announce/2016-May/184507.html
lists.opensuse.org/opensuse-updates/2016-05/msg00081.html
lists.opensuse.org/opensuse-updates/2016-09/msg00037.html
rhn.redhat.com/errata/RHSA-2016-2576.html
rhn.redhat.com/errata/RHSA-2017-0564.html
rhn.redhat.com/errata/RHSA-2017-0565.html
www.openwall.com/lists/oss-security/2016/04/29/1
www.openwall.com/lists/oss-security/2016/04/29/6
www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
www.securityfocus.com/bid/89318
access.redhat.com/errata/RHSA-2016:1296
github.com/ocaml/ocaml/commit/659615c7b100a89eafe6253e7a5b9d84d0e8df74#diff-a97df53e3ebc59bb457191b496c90762
security.gentoo.org/glsa/201702-15