Crash when handling long CNAME response in net
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
Exploitability
AV:N
AC:L
PR:N
UI:N
Scope
S:U
Impact
C:N
I:N
A:H
7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H