The git_commit_message function in oid.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a cat-file command with a crafted object file.
lists.opensuse.org/opensuse-updates/2016-12/msg00075.html
lists.opensuse.org/opensuse-updates/2017-01/msg00103.html
lists.opensuse.org/opensuse-updates/2017-01/msg00110.html
lists.opensuse.org/opensuse-updates/2017-01/msg00114.html
www.openwall.com/lists/oss-security/2016/10/08/7
www.securityfocus.com/bid/93466
bugzilla.redhat.com/show_bug.cgi?id=1383211
github.com/libgit2/libgit2/issues/3936
github.com/libgit2/libgit2/releases/tag/v0.24.3
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4E77DG5KGQ7L34U75QY7O6NIPKZNQHQJ/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3JBSNJAXP7JA3TGE2NPNRTD77JXFG4E/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XVUEIG6EESZB6BRU2IE3F5NRUEHMAEKC/