fig2dev 3.2.7b contains a global buffer overflow in the conv_pattern_index
function in gencgm.c.
launchpad.net/bugs/cve/CVE-2020-21531
nvd.nist.gov/vuln/detail/CVE-2020-21531
security-tracker.debian.org/tracker/CVE-2020-21531
sourceforge.net/p/mcj/fig2dev/ci/2f8d1ae9763dcdc99b88a2b14849fe37174bcd69/ (3.2.8)
sourceforge.net/p/mcj/tickets/63/
ubuntu.com/security/notices/USN-5864-1
www.cve.org/CVERecord?id=CVE-2020-21531