description: A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
problem types: CWE-120->CWE-416
affected:
{
product: c-ares
vendor: n/a
versions:
status: affected, version: c-ares 1.16.1
}