USN-6034-1: Dnsmasq vulnerability
20 April 2023
Dnsmasq could cause transmission reliability issues when sending large DNS messages.
- dnsmasq - Small caching DNS proxy and DHCP/TFTP server
It was discovered that Dnsmasq was sending large DNS messages
over UDP, possibly causing transmission failures due to IP
fragmentation. This update lowers the default maximum size of
DNS messages to improve transmission reliability over UDP.
The problem can be corrected by updating your system to the following package versions:
After a standard system update you need to reboot your computer to make
all the necessary changes.