AOSA-2017-0035: Update cURL

Please update your curl and curl+32 package to version 7.54.0 and above.

A recently released version of cURL fixed several security vulnerabilities, one of which assigned with a CVE number:

CVE-2017-7468.

Relevant documentation:

• cURL 7.54.0 Changelog.
• cURL Security Advisory for CVE-2017-7468.