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 is_chunked…
Published: 2026-04-07 · CVSS: 8.7 · CVSS 4.0
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 is_chunked_transfer function uses strcmp to compare the header value against "chunked", even though RFC 7230 specifies that transfer-coding names are case-insensitive.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7