The quoteblock function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file. References: https://github.com/Orc/discount/issues/189#issuecomment-397541501
Created discount tracking bugs for this issue: Affects: epel-7 [bug 1592869] Affects: fedora-all [bug 1592867]