Ubuntu Security Notice USN-6237-3

Ubuntu Security Notice 6237-3 - USN-6237-1 fixed several vulnerabilities in curl. This update provides the corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS. Hiroki Kurosawa discovered that curl incorrectly handled validating certain certificate wildcards. A remote attacker could possibly use this issue to spoof certain website certificates using IDN hosts.

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