A vulnerability was found in dnsmasq before version 2.81, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via vectors involving DHCP response creation.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-14834
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14834
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JU474LT66BHNVFG5C4GEV3VTZNAEJ3BS/
• http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=69bc94779c2f035a9fffdb5327a54c3aeca73ed5
• https://access.redhat.com/errata/RHSA-2020:1715
• https://access.redhat.com/errata/RHSA-2020:3878
• https://access.redhat.com/security/cve/CVE-2019-14834
• https://bugzilla.redhat.com/show_bug.cgi?id=1764425
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JU474LT66BHNVFG5C4GEV3VTZNAEJ3BS/
• http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=69bc94779c2f035a9fffdb5327a54c3aeca73ed5