CVE-2020-12460

OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 has improper null
termination in the function opendmarc_xml_parse that can result in a
one-byte heap overflow in opendmarc_xml when parsing a specially crafted
DMARC aggregate report. This can cause remote memory corruption when a ‘\0’
byte overwrites the heap metadata of the next chunk and its PREV_INUSE
flag.

Bugs

• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=966464&gt;