Plack::Middleware::Session versions before 0.17 for Perl may be vulnerable to HMAC comparison timing attacks

Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks

Plack::App::File in Plack before 1.0031 removes trailing slash characters from paths, which allows remote attackers to bypass the whitelist of generated files and obtain sensitive information via a crafted path, related to Plack::Middleware::Static.