CVE-2026-31842 Tinyproxy HTTP request parsing desynchronization via case-sensitive Transfer-Encoding handling

Tinyproxy through 1.11.3 is vulnerable to HTTP request parsing desynchronization due to a case-sensitive comparison of the Transfer-Encoding header in src/reqs.c. The ischunkedtransfer function uses strcmp to compare the header value against "chunked", even though RFC 7230 specifies that...