PT-2026-25075

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0...

undici 安全漏洞

Undici is an open-source HTTP/1.1 client developed by Node.js. Undici has a security vulnerability that stems from unlimited memory consumption during the decompression of permessage-deflate. This vulnerability could allow malicious WebSocket servers to send small compressed frames, causing the...

CVE-2026-26220

LightLLM version 1.1.0 and prior contain an unauthenticated remote code execution vulnerability in PD prefill-decode disaggregation mode. The PD master node exposes WebSocket endpoints that receive binary frames and pass the data directly to pickle.loads without authentication or validation. A...

CVE-2026-26220

LightLLM version 1.1.0 and prior contain an unauthenticated remote code execution vulnerability in PD prefill-decode disaggregation mode. The PD master node exposes WebSocket endpoints that receive binary frames and pass the data directly to pickle.loads without authentication or validation. A...

CVE-2026-26220 LightLLM <= 1.1.0 PD Mode Unsafe Deserialization RCE

LightLLM version 1.1.0 and prior contain an unauthenticated remote code execution vulnerability in PD prefill-decode disaggregation mode. The PD master node exposes WebSocket endpoints that receive binary frames and pass the data directly to pickle.loads without authentication or validation. A...

libsoup 安全漏洞

libsoup is a GNOME HTTP client/server library from the GNOME Project. A security vulnerability exists in libsoup, which stems from improper handling of WebSocket frames, and may result in out-of-bounds memory reads, causing a memory leak or crash...

EUVD-2021-0926

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2017-18922

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by...

Denial Of Service (DoS)

directus is vulnerable to Denial Of Service DoS. The vulnerability exists because invalid websocket frames are not properly handled which allows an attacker to crash the application...

SUSE CVE-2017-18922

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow...

SUSE CVE-2021-21419

Eventlet is a concurrent networking library for Python. A websocket peer may exhaust memory on Eventlet side by sending very large websocket frames. Malicious peer may exhaust memory on Eventlet side by sending highly compressed data frame. A patch in version 0.31.0 restricts websocket frame to...

AlmaLinux 8 : libvncserver (ALSA-2020:3385)

The remote AlmaLinux 8 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2020:3385 advisory. - It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by...

USN-5258-1 weechat vulnerabilities

Stuart Nevans Locke discovered that WeeChat's relay plugin insecurely handled malformed websocket frames. A remote attacker in control of a server could possibly use this issue to cause denial of service in a client. CVE-2021-40516 Stuart Nevans Locke discovered that WeeChat insecurely handled...

python-eventlet: improper handling of highly compressed data and memory allocation with excessive size allows DoS

A flaw was found in eventlet. If an unauthenticated user manages to send large websocket frames or highly compressed data frames that can lead to memory exhaustion. An attacker could use this flaw to cause a denial of service DoS...

MGASA-2021-0466 Updated weechat packages fix security vulnerability

A crafted WebSocket frame could result in a crash in the weechat Relay plugin...

dotnet: ASP.NET Core WebSocket frame processing DoS

An infinite loop error was found in ASP.NET when processing WebSocket frames. The exploitation of this issue can cause high CPU resource consumption. The highest threat from this vulnerability is to system availability...

dotnet: ASP.NET Core WebSocket frame processing DoS

An infinite loop error was found in ASP.NET when processing WebSocket frames. The exploitation of this issue can cause high CPU resource consumption. The highest threat from this vulnerability is to system availability...

dotnet: ASP.NET Core WebSocket frame processing DoS

An infinite loop error was found in ASP.NET when processing WebSocket frames. The exploitation of this issue can cause high CPU resource consumption. The highest threat from this vulnerability is to system availability...

dotnet: ASP.NET Core WebSocket frame processing DoS

An infinite loop error was found in ASP.NET when processing WebSocket frames. The exploitation of this issue can cause high CPU resource consumption. The highest threat from this vulnerability is to system availability...

tomcat: multiple requests with invalid payload length in a WebSocket frame could lead to DoS

A flaw was found in Apache Tomcat, where the payload length in a WebSocket frame was not correctly validated. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service. The highest threat from this vulnerability is to...