Curl released version 7.55.0 fixing three vulnerabilities.
Airlock WAF is not affected.
Details:
CVE-2017-1000101: Out of bounds read in url gobbing function [1]. This affects only the command line tool of curl. Airlock WAF is not using this tool on untrusted input.
CVE-2017-1000100: Vulnerability in TFTP code of libcurl [2]. Does not affect Airlock WAF because TFTP is not used.
CVE-2017-1000099: Out of bounds read in file: protocol scheme code [3]. Does not affect Airlock WAF because the protocol scheme is not used.
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