CVE-2026-66338

The CVE-2026-66338 issue affects libsoup, specifically the HTTP chunked transfer encoding parser. The vulnerability stems from a permissive parsing function used for chunk sizes in soup_body_input_stream_read_chunked(), which accepts inputs violating RFC 9112 (leading whitespace, plus sign prefix...

CVE-2026-59249 Sign-tolerant HTTP/1 chunk-size parser in Mint enables response smuggling against strict intermediaries on pooled connections

Inconsistent interpretation of HTTP requests HTTP response smuggling vulnerability in elixir-mint mint allows a malicious HTTP/1 server to desynchronize a strict intermediary and the Mint client on the same pooled connection, enabling response-queue poisoning against subsequent requests that shar...

CVE-2026-42580 Netty: HTTP Request Smuggling due to incorrect chunk size parsing

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's chunk size parser silently overflows int, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final...

Numeric Truncation Error

Overview Affected versions of this package are vulnerable to Numeric Truncation Error in the chunk size parsing process when handling HTTP requests with Transfer-Encoding set to chunked. An attacker can cause HTTP request or response smuggling by sending a chunk size value that parses to 2^64 or...