Related Vulnerabilities: CVE-2017-14495  

A memory exhaustion flaw was found in dnsmasq in the EDNS0 code. An attacker could send crafted DNS packets which would trigger memory allocations which would never be freed, leading to unbounded memory consumption and eventually a crash. This issue only affected configurations using one of the options: add-mac, add-cpe-id, or add-subnet.

Severity High

Remote Yes

Type Denial of service

Description

A memory exhaustion flaw was found in dnsmasq in the EDNS0 code. An attacker could send crafted DNS packets which would trigger memory allocations which would never be freed, leading to unbounded memory consumption and eventually a crash. This issue only affected configurations using one of the options: add-mac, add-cpe-id, or add-subnet.

AVG-421 dnsmasq 2.77-1 2.78-1 Critical Fixed

02 Oct 2017 ASA-201710-1 AVG-421 dnsmasq Critical multiple issues

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=51eadb692a5123b9838e5a68ecace3ac579a3a45