Go CORS handler 安全漏洞

Go CORS handler is a configurable handler for handling CORS requests by the individual developer Olivier Poitrey. A security vulnerability exists in Go CORS handler that stems from a potential over-allocation of heap when handling malicious preflight requests, which could lead to a denial of...

CVE-2018-20744

The Olivier Poitrey Go CORS handler through 1.3.0 actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems...