CVE-2024-42491

CVE-2024-42491 affects Asterisk before versions 18.24.3, 20.9.3, 21.4.3 (and certified- branches 18.9-cert12, 20.7-cert2). When res_resolver_unbound is loaded and Asterisk sends a SIP request to a URI with a host starting with .1 or [.1], Asterisk will crash with a SEGV. Mitigation: upgrade to 18...