Join GitHub today
GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together.Sign up
dnsname parser treats invalid label length as compression #4851
0x40 and 0x80 are reserver for future use; if those two variants are actually allowed in the future, both ends would have to negotiate their use, as otherwise the other end would only see garbage.
Therefore it should be unlikely that this matters a lot - until pdns negotiates such future standard it doesn't need to handle it, and handling it wrong shouldn't break much, but it should be fixed anyway.