Tinyproxy vulnerabilities
We track 5 vulnerabilities in Tinyproxy products. 5 are rated high or critical, and none are known to be exploited. The most recent was published on June 17, 2026.
Latest Tinyproxy vulnerabilities
- 8.2 High severity
tinyproxy: Authentication Bypass by Spoofing
Tinyproxy through 1.11.3, fixed in commit 09312a1, fails to properly validate the Host header during stathost detection, allowing unauthenticated attackers to access the stats page by injecting a matching Host header or bypass detection via port manipulation.
- 9.1 Critical severity
tinyproxy: Inconsistent Interpretation of HTTP Requests
Tinyproxy through 1.11.3, fixed in commit 364cdb6, fails to reject requests containing multiple Content-Length headers with differing values, forwarding all duplicate headers to the backend while using the first value to determine how many request body bytes t
- 9.1 Critical severity
tinyproxy: Inconsistent Interpretation of HTTP Requests
Tinyproxy through 1.11.3, fixed in commit ff45d3b, fails to reconcile conflicting Content-Length and Transfer-Encoding: chunked headers, forwarding both verbatim to the backend while using Content-Length to determine how many request body bytes to consume. Rem
- 7.5 High severity
tinyproxy: Integer Overflow or Wraparound
An integer overflow vulnerability in the HTTP chunked transfer encoding parser in tinyproxy up to and including version 1.11.3 allows an unauthenticated remote attacker to cause a denial of service (DoS). The issue occurs because chunk size values are parsed u
- 9.8 Critical severity
Tinyproxy: Use After Free
A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0. A specially crafted HTTP header can trigger reuse of previously freed memory, which leads to memory corruption and could lead to remote code