cURL libcurl is vulnerable to a denial of service, caused by a memory allocation flaw in the utf8asn1str() function in the ASN1 parser. By using a specially crafted TLS certificate, a remote attacker could exploit this vulnerability to cause a denial of service condition.

cURL libcurl could allow a remote attacker to obtain sensitive information, caused by a macidn punycode buffer overread flaw in the URL API function curlurlget(). By sending a specially crafted request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.