UBUNTU-CVE-2026-67232

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress = true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set maxframesize, so cowboy's default of infinity applies...

CVE-2026-67232

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress = true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set maxframesize, so cowboy's default of infinity applies...

Linux Distros Unpatched Vulnerability : CVE-2026-67232

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress...

DEBIAN-CVE-2026-67232

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress = true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set maxframesize, so cowboy's default of infinity applies...

EUVD-2026-85657

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress = true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set maxframesize, so cowboy's default of infinity applies...

CVE-2026-67232

RabbitMQ is vulnerable to a decompression bomb attack in the rabbitmq_web_mqtt plugin prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0. The flaw exists because the cowboy WebSocket handler enables permessage-deflate negotiation without setting a max_frame_size, allowing cowlib to call ...

CVE-2026-67232

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress = true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set maxframesize, so cowboy's default of infinity applies...

CVE-2026-67232 RabbitMQ: Web-MQTT decompression bomb

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress = true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set maxframesize, so cowboy's default of infinity applies...

CVE-2026-67232 RabbitMQ: Web-MQTT decompression bomb

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress = true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set maxframesize, so cowboy's default of infinity applies...

CVE-2026-67232 RabbitMQ: Web-MQTT decompression bomb

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress = true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set maxframesize, so cowboy's default of infinity applies...

CVE-2026-67232: Improper Handling of Highly Compressed Data (Data Amplification)

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The cowboy WebSocket options at line 117 set compress = true, enabling RFC 7692 permessage-deflate negotiation. The handler does not set maxframesize, so cowboy's default of infinity applies...

EUVD-2026-37012

gRPC Erlang package has unbounded request body accumulation in readfullbody/3...

cowboy: Cowboy: Denial of Service via HTTP/1.1 duplicate header names

A flaw was found in Cowboy. An unauthenticated remote attacker can exploit this vulnerability by sending multiple HTTP/1.1 header lines with the same name. This bypasses the maxheaders limit, causing the connection process memory to grow uncontrollably. This can lead to memory exhaustion and a...

[SECURITY] Fedora 43 Update: erlang-cowboy-2.18.0-1.fc43

Small, fast, modular HTTP server written in Erlang...

[SECURITY] Fedora 44 Update: erlang-cowlib-2.19.0-1.fc44

Support library for manipulating Web protocols...

[SECURITY] Fedora 44 Update: erlang-cowboy-2.18.0-1.fc44

Small, fast, modular HTTP server written in Erlang...

Fedora 44 : erlang-cowboy / erlang-cowlib (2026-7d233ad8b0)

The remote Fedora 44 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-7d233ad8b0 advisory. Coordinated security update of cowlib and cowboy, released together upstream on 2026-07-27. cowlib 2.19.0 fixes CVE-2026-59248: unbounded HPACK/QPAC...

Fedora 43 : erlang-cowboy / erlang-cowlib (2026-ce97d80dae)

The remote Fedora 43 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-ce97d80dae advisory. Coordinated security update of cowlib and cowboy, released together upstream on 2026-07-27. cowlib 2.19.0 fixes CVE-2026-59248: unbounded HPACK/QPAC...

Linux Distros Unpatched Vulnerability : CVE-2026-65624

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Allocation of Resources Without Limits or Throttling vulnerability in ninenines cowboy allows an unauthenticated remote attacker to exhaust connection process...

cowboy: Cowboy: Denial of Service via HTTP/1.1 duplicate header names

A flaw was found in Cowboy. An unauthenticated remote attacker can exploit this vulnerability by sending multiple HTTP/1.1 header lines with the same name. This bypasses the maxheaders limit, causing the connection process memory to grow uncontrollably. This can lead to memory exhaustion and a...