[SECURITY] Fedora 43 Update: erlang-gun-2.4.1-1.fc43

Erlang HTTP client with support for HTTP/1.1, HTTP/2, Websocket and more...

[SECURITY] Fedora 44 Update: erlang-gun-2.4.1-1.fc44

Erlang HTTP client with support for HTTP/1.1, HTTP/2, Websocket and more...

Fedora 44 : erlang-cowboy / erlang-cowlib / erlang-gun (2026-c17ea7a74d)

The remote Fedora 44 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-c17ea7a74d advisory. Gun ver. 2.4.1 and its dependencies ---- New erlang-gun Tenable has extracted the preceding description block directly from the Fedora security...

Fedora 43 : erlang-cowboy / erlang-cowlib / erlang-gun (2026-2aa86d411f)

The remote Fedora 43 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-2aa86d411f advisory. Gun ver. 2.4.1 and its dependencies ---- New erlang-gun Tenable has extracted the preceding description block directly from the Fedora security...

CVE-2026-43974

A flaw was found in gun. A malicious HTTP server can exploit this vulnerability by sending an unsolicited '101 Switching Protocols' response to a gun client. This action forces the client into a raw protocol mode, allowing the server to flood the client with arbitrary data. This uncontrolled data...

GHSA-2J82-37XG-F9WP gun has an Unexpected Status Code or Return Value vulnerability

Unexpected Status Code or Return Value vulnerability in ninenines gun gunhttp module allows a malicious HTTP server to force the client into raw protocol mode via an unsolicited 101 Switching Protocols response. In gunhttp:handleinform/8, when a 101 Switching Protocols response is received over...

gun has an Unexpected Status Code or Return Value vulnerability

Unexpected Status Code or Return Value vulnerability in ninenines gun gunhttp module allows a malicious HTTP server to force the client into raw protocol mode via an unsolicited 101 Switching Protocols response. In gunhttp:handleinform/8, when a 101 Switching Protocols response is received over...

GHSA-36W4-95HV-5VWG gun_http2 has an Origin Validation Error vulnerability

Origin Validation Error vulnerability in ninenines gun gunhttp2 module allows cross-origin cookie injection via unvalidated HTTP/2 PUSHPROMISE authority. In gunhttp2:pushpromiseframe/7, the :authority pseudo-header from an incoming PUSHPROMISE frame is stored verbatim into the promised stream...

CVE-2026-43973

Uncontrolled Resource Consumption vulnerability in ninenines gun gunhttp module allows a malicious server to exhaust client memory via unbounded HTTP/1.1 response buffering. In gunhttp:handle/5, three clauses accumulate incoming TCP data into the connection's buffer field using binary concatenati...

CVE-2026-43974

Unexpected Status Code or Return Value vulnerability in ninenines gun gunhttp module allows a malicious HTTP server to force the client into raw protocol mode via an unsolicited 101 Switching Protocols response. In gunhttp:handleinform/8, when a 101 Switching Protocols response is received over...

AZL-90141 CVE-2026-43973 affecting package rabbitmq-server for versions less than 3.13.7-6

Uncontrolled Resource Consumption vulnerability in ninenines gun gunhttp module allows a malicious server to exhaust client memory via unbounded HTTP/1.1 response buffering. In gunhttp:handle/5, three clauses accumulate incoming TCP data into the connection's buffer field using binary concatenati...

CVE-2026-43973 gun HTTP/1.1 response buffer has no size limit allowing server-controlled memory exhaustion

Uncontrolled Resource Consumption vulnerability in ninenines gun gunhttp module allows a malicious server to exhaust client memory via unbounded HTTP/1.1 response buffering. In gunhttp:handle/5, three clauses accumulate incoming TCP data into the connection's buffer field using binary concatenati...

CVE-2026-43973

CVE-2026-43973 concerns the Erlang/Elixir library gun_http in the Gun framework. The vulnerability is an uncontrolled resource consumption: three code paths in gun_http:handle/5 accumulate TCP data into a connection buffer using binary concatenation with no upper bound. If a malicious server send...

CVE-2026-43973 gun HTTP/1.1 response buffer has no size limit allowing server-controlled memory exhaustion

Uncontrolled Resource Consumption vulnerability in ninenines gun gunhttp module allows a malicious server to exhaust client memory via unbounded HTTP/1.1 response buffering. In gunhttp:handle/5, three clauses accumulate incoming TCP data into the connection's buffer field using binary concatenati...

CVE-2026-43972 gun HTTP/2 PUSH_PROMISE authority not validated against connection origin allows cross-origin cookie injection

Origin Validation Error vulnerability in ninenines gun gunhttp2 module allows cross-origin cookie injection via unvalidated HTTP/2 PUSHPROMISE authority. In gunhttp2:pushpromiseframe/7, the :authority pseudo-header from an incoming PUSHPROMISE frame is stored verbatim into the promised stream...

EUVD-2026-35073

Origin Validation Error vulnerability in ninenines gun gunhttp2 module allows cross-origin cookie injection via unvalidated HTTP/2 PUSHPROMISE authority. In gunhttp2:pushpromiseframe/7, the :authority pseudo-header from an incoming PUSHPROMISE frame is stored verbatim into the promised stream...

CVE-2026-43972

CVE-2026-43972 is an Origin Validation Error in the gun_http2 module of ninenines gun (Erlang HTTP client), affecting versions 2.0.0 through 2.3.x . The push_promise_frame/7 function stores the :authority pseudo-header from incoming HTTP/2 PUSH_PROMISE frames without validating it against the con...

EEF-CVE-2026-43972 gun HTTP/2 PUSH_PROMISE authority not validated against connection origin allows cross-origin cookie injection

Summary Origin Validation Error vulnerability in ninenines gun gun\http2 module allows cross-origin cookie injection via unvalidated HTTP/2 PUSH\PROMISE authority. In gun\http2:push\promise\frame/7, the :authority pseudo-header from an incoming PUSH\PROMISE frame is stored verbatim into the...

CVE-2026-43974 gun HTTP/1.1 client accepts unsolicited 101 Switching Protocols response allowing server-driven protocol hijack and OOM

Unexpected Status Code or Return Value vulnerability in ninenines gun gunhttp module allows a malicious HTTP server to force the client into raw protocol mode via an unsolicited 101 Switching Protocols response. In gunhttp:handleinform/8, when a 101 Switching Protocols response is received over...

CVE-2026-43974 gun HTTP/1.1 client accepts unsolicited 101 Switching Protocols response allowing server-driven protocol hijack and OOM

Unexpected Status Code or Return Value vulnerability in ninenines gun gunhttp module allows a malicious HTTP server to force the client into raw protocol mode via an unsolicited 101 Switching Protocols response. In gunhttp:handleinform/8, when a 101 Switching Protocols response is received over...