An out-of-bounds read vulnerability was found in netpbm before 10.61. The expandCodeOntoStack() function has an insufficient code value check, so that a maliciously crafted file could cause the application to crash or possibly allows code execution.
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2579
http://www.securityfocus.com/bid/96714
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00056.html