dnsmasq is vulnerable to information disclosure. An attacker-controlled DNS server is able to read beyond the buffer that is allocated for the packet, on a victim server, by sending malicious DNS packets to the DNS server. This vulnerability is different from CVE-2017-14491.
access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.4_Release_Notes/index.html
access.redhat.com/errata/RHBA-2017:2117
access.redhat.com/security/cve/CVE-2019-14513
bugzilla.redhat.com/show_bug.cgi?id=1375569
bugzilla.redhat.com/show_bug.cgi?id=1398337
bugzilla.redhat.com/show_bug.cgi?id=1443139
github.com/Slovejoy/dnsmasq-pre2.76
lists.debian.org/debian-lts-announce/2019/09/msg00013.html