dnsmasq: default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232

A flaw was found in Dnsmasq. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020...

BSA-2017-454

Security Advisory ID : BSA-2017-454 Component : dnsmasq Revision : 2.0: Final An integer underflow flaw leading to a buffer over-read was found in dnsmasq in the EDNS0 code. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash. This issue only affected configuration...

BSA-2017-453

Security Advisory ID : BSA-2017-453 Component : EDNS0 Revision : 2.0: Final 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...

dnsmasq: integer underflow leading to buffer over-read in the EDNS0 code

An integer underflow flaw leading to a buffer over-read was found in dnsmasq in the EDNS0 code. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash. This issue only affected configurations using one of the options: add-mac, add-cpe-id, or add-subnet...

dnsmasq: memory exhaustion vulnerability in the EDNS0 code

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...