MEDIUM
GHSA-mh55-gqvf-xfwm
Denial of service via malicious preflight requests in github.com/rs/cors
Quick fix
GHSA-mh55-gqvf-xfwm — github.com/rs/cors: upgrade to the fixed version with the command below.
go get github.com/rs/cors@v1.11.0Details
Middleware causes a prohibitive amount of heap allocations when processing malicious preflight requests that include a Access-Control-Request-Headers (ACRH) header whose value contains many commas. This behavior can be abused by attackers to produce undue load on the middleware/server as an attempt to cause a denial of service.
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