CVE-2026-40562 Gazelle versions through 0.49 for Perl allows HTTP Request Smuggling via Improper Header Precedence

Gazelle versions through 0.49 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Gazelle incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

PT-2026-37626

Name of the Vulnerable Software and Affected Versions Gazelle versions prior to 0.50 Description Improper header precedence allows HTTP Request Smuggling. The software incorrectly prioritizes the Content-Length header over Transfer-Encoding: chunked when both are present in an HTTP request,...