libext2fs.so is vulnerable to buffer overflows. A malicious local user can pass a filesystem image with a malformed block group descriptor to the application to cause arbitrary code to be executed.
advisories.mageia.org/MGASA-2015-0061.html
git.kernel.org/cgit/fs/ext2/e2fsprogs.git/commit/?id=f66e6ce4
lists.fedoraproject.org/pipermail/package-announce/2015-February/149434.html
lists.fedoraproject.org/pipermail/package-announce/2015-March/150606.html
lists.fedoraproject.org/pipermail/package-announce/2015-March/150805.html
lists.opensuse.org/opensuse-security-announce/2015-06/msg00019.html
lists.opensuse.org/opensuse-updates/2015-06/msg00010.html
packetstormsecurity.com/files/130283/e2fsprogs-Input-Sanitization.html
www.debian.org/security/2015/dsa-3166
www.mandriva.com/security/advisories?name=MDVSA-2015:045
www.mandriva.com/security/advisories?name=MDVSA-2015:067
www.ocert.org/advisories/ocert-2015-002.html
www.securityfocus.com/archive/1/534633/100/0/threaded
www.securityfocus.com/bid/72520
www.ubuntu.com/usn/USN-2507-1
bugzilla.redhat.com/show_bug.cgi?id=1187032
exchange.xforce.ibmcloud.com/vulnerabilities/100740
git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/commit/?id=f66e6ce4
security.gentoo.org/glsa/201701-06