PT-2026-71713

@hono/node-server allows running the Hono application on Node.js. From 2.0.0 until 2.0.10, a WebSocket upgrade request to an upgradeWebSocket route with a missing or malformed Sec-WebSocket-Key header causes src/websocket.ts to retain the request's IncomingMessage in waiterMap and leave...

PT-2026-66890

Summary A WebSocket upgrade request to an upgradeWebSocket route with a missing or malformed Sec-WebSocket-Key header leaks memory permanently. The request's IncomingMessage is retained in an internal map and a pending promise is never settled, even though no connection is established. Since the...

PT-2026-35035

Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...

EUVD-2023-1335

Malicious code in bioql PyPI...

Regular Expression Denial of Service in Deno.upgradeWebSocket API

Impact Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be...

Duplicate advisory: Deno vulnerable to Regular Expression Denial of Service

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-jc97-h3h9-7xh6. This link is maintained to preserve external references. Original Description Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the...

GHSA-XR9W-X6GW-C9MJ Duplicate advisory: Deno vulnerable to Regular Expression Denial of Service

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-jc97-h3h9-7xh6. This link is maintained to preserve external references. Original Description Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the...

CVE-2023-26103

Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...

Design/Logic Flaw

Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...

CVE-2023-26103

Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...

CVE-2023-26103

Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...

CVE-2023-26103

Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...

CVE-2023-26103: Inefficient Regular Expression Complexity

Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...

PT-2023-20490

Name of the Vulnerable Software and Affected Versions deno versions prior to 1.31.0 Description The issue is related to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A...

Regular Expression Denial of Service (ReDoS)

Overview deno is an a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/...