CVE-2020-15694

In Nim 1.2.4, the standard library httpClient fails to properly validate the server response. For example, httpClient.get().contentLength() does not raise any error if a malicious server provides a negative Content-Length.

Date published : 2020-08-14

https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html

https://consensys.net/diligence/vulnerabilities/nim-httpclient-header-crlf-injection/