undici 安全漏洞

Undici is an open-source HTTP/1.1 client developed by Node.js. Undici has a security vulnerability, which stems from improper validation of the servermaxwindowbits parameter in the permessage-deflate extension. This vulnerability may lead to denial-of-service attacks...

PT-2026-25076

Name of the Vulnerable Software and Affected Versions undici versions prior to 7.24.0 Description The undici WebSocket client is susceptible to a denial-of-service attack because of insufficient validation of the server max window bits parameter within the permessage-deflate extension. When a...

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-2026-2229: Uncaught Exception

ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the servermaxwindowbits parameter in the permessage-deflate extension. When a WebSocket client connects to a server, it automatically advertises support for permessage-deflate compression. ...

PT-2026-25065

Name of the Vulnerable Software and Affected Versions undici versions prior to 7.24.0 Description The undici WebSocket client is susceptible to a denial-of-service condition due to unrestricted memory usage during permessage-deflate decompression. When a WebSocket connection utilizes the...

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...

Denial Of Service (DoS)

ws is vulnerable to denial of service DoS attacks. A malicious user is able to cause the process to crash by using the permessage-deflate extension...

Denial of Service in uws

Affected versions of uws do not properly handle large websocket messages when permessage-deflate is enabled, which may result in a denial of service condition. If uws recieves a 256Mb websocket message when permessage-deflate is enabled, the server will compress the message prior to executing the...

GHSA-HF5H-HH56-3VRG Denial of Service in uws

Affected versions of uws do not properly handle large websocket messages when permessage-deflate is enabled, which may result in a denial of service condition. If uws recieves a 256Mb websocket message when permessage-deflate is enabled, the server will compress the message prior to executing the...

CVE-2016-10544

uws is a WebSocket server library. By sending a 256mb websocket message to a uws server instance with permessage-deflate enabled, there is a possibility used compression will shrink said 256mb down to less than 16mb of websocket payload which passes the length check of 16mb payload. This data wil...

CVE-2016-10544: Uncontrolled Resource Consumption

uws is a WebSocket server library. By sending a 256mb websocket message to a uws server instance with permessage-deflate enabled, there is a possibility used compression will shrink said 256mb down to less than 16mb of websocket payload which passes the length check of 16mb payload. This data wil...

PT-2018-4723

Name of the Vulnerable Software and Affected Versions uws versions 0.10.0 through 0.10.8 Description The issue arises when a WebSocket server instance with permessage-deflate enabled receives a large WebSocket message. If a 256MB WebSocket message is sent, the compression may shrink it to less th...

Denial of Service

Overview Affected versions of uws do not properly handle large websocket messages when permessage-deflate is enabled, which may result in a denial of service condition. If uws recieves a 256Mb websocket message when permessage-deflate is enabled, the server will compress the message prior to...