An issue was discovered in /src/helper.c in Dnsmasq up to and including 2.80 allows attackers to cause a denial of service via function create_helper.
thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=69bc94779c2f035a9fffdb5327a54c3aeca73ed5
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20145
launchpad.net/bugs/cve/CVE-2020-20145
nvd.nist.gov/vuln/detail/CVE-2020-20145
security-tracker.debian.org/tracker/CVE-2020-20145