K000163569: Multiple Apache Tomcat vulnerabilities

Security Advisory Description CVE-2026-75973 Improper Authentication vulnerability in Apache Tomcat. When Jakarta Authentication was configured with SimpleAuthConfigProvider as the default provider and multiple web application used that provider, the realm for the first web application to...

BIT-TOMCAT-2026-77791 Apache Tomcat: DoS via busy wait during WebSocket close

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack. This issue affects Apache Tomcat: from 11.0.0 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121. The following versions were EOL at the time the...

Denial of Service (DoS)

Overview org.apache.tomcat:tomcat-websocket is a Tomcat WebSocket JSR356 implementation. Affected versions of this package are vulnerable to Denial of Service DoS via busy wait during WebSocket close. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

CVE-2026-77791 Apache Tomcat: DoS via busy wait during WebSocket close

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack. This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121. The following versions were EOL at the time...

EUVD-2026-85229

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack. This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121. The following versions were EOL at the time...

CVE-2026-77791

Apache Tomcat is vulnerable to a Denial of Service (DoS) attack due to an uncontrolled resource consumption issue occurring during the sending of a WebSocket close message . The root cause is a busy wait condition that can be triggered by an attacker. This vulnerability affects versions 11.0.0-M5...

CVE-2026-77791: Uncontrolled Resource Consumption

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack. This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121. The following versions were EOL at the time...

ws: ws: Uninitialized memory disclosure via `websocket.close()` with `TypedArray`

A flaw was found in ws, an open source WebSocket client and server for Node.js. The websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This can lead to the disclosure of sensitive information from uninitialized memor...

ws: ws: Uninitialized memory disclosure via `websocket.close()` with `TypedArray`

A flaw was found in ws, an open source WebSocket client and server for Node.js. The websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This can lead to the disclosure of sensitive information from uninitialized memor...

ws: ws: Uninitialized memory disclosure via `websocket.close()` with `TypedArray`

A flaw was found in ws, an open source WebSocket client and server for Node.js. The websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This can lead to the disclosure of sensitive information from uninitialized memor...

GHSA-58QX-3VCG-4XPX ws: Uninitialized memory disclosure

Impact The websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. Proof of concept js import deepStrictEqual from 'node:assert'; import WebSocket, WebSocketServer from 'ws'; const wss = new WebSocketServer port: 0,...

ws: Uninitialized memory disclosure

Impact The websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. Proof of concept js import deepStrictEqual from 'node:assert'; import WebSocket, WebSocketServer from 'ws'; const wss = new WebSocketServer port: 0,...

Linux Distros Unpatched Vulnerability : CVE-2026-45736

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close implementation is vulnerable to uninitialized memory disclosu...

CVE-2026-45736 ws: Uninitialized memory disclosure

ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1...

CVE-2026-45736

Summary: CVE-2026-45736 affects the ws project (WebSocket client/server for Node.js). Prior to version 8.20.1, ws.close() could disclose uninitialized memory when a TypedArray is passed as the reason argument. The issue is fixed in ws 8.20.1. Affected component: ws websocket.close() implementatio...

CVE-2026-45736 ws: Uninitialized memory disclosure

ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1...

CLSA-2024-1732701424 Fix CVE(s): CVE-2024-23672

SECURITY UPDATE: DoS via incomplete cleanup vulnerability - debian/patches/CVE-2024-23672.patch: refactor WebSocket close for suspend/resume to ensure connection closure completes - CVE-2024-23672...

CLSA-2024-1732637149 Fix CVE(s): CVE-2024-23672

SECURITY UPDATE: Denial of Service vulnerability - debian/patches/CVE-2024-23672.patch: refactor WebSocket close for suspend/resume to ensure WebSocket connection closure completes - CVE-2024-23672...

OESA-2024-2402 tomcat security update

The Apache Tomcat software is developed in an open and participatory environment and released under the Apache License version 2. The Apache Tomcat project is intended to be a collaboration of the best-of-breed developers from around the world. We invite you to participate in this open developmen...

OESA-2024-2403 tomcat security update

The Apache Tomcat software is developed in an open and participatory environment and released under the Apache License version 2. The Apache Tomcat project is intended to be a collaboration of the best-of-breed developers from around the world. We invite you to participate in this open developmen...