CVE-2025-55152 oak: ReDoS in x-forwarded-proto and x-forwarded-for headers

oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. In versions 17.1.5 and below, it's possible to significantly slow down an oak server with specially crafted values of the x-forwarded-proto or x-forwarded-for headers...

CVE-2025-55152

CVE-2025-55152 affects the oak middleware (Deno/native HTTP stack) with vulnerable versions 17.1.5 and earlier. Public records describe a Regular Expression Denial of Service / DoS: using specially crafted values in the headers x-forwarded-proto or x-forwarded-for can cause substantial slowdown o...

CVE-2024-49770 oak's path traversal allows transfer of hidden files within the served root directory

oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. By default oak does not allow transferring of hidden files with Context.send API. However, prior to version 17.1.3, this can be bypassed by encoding / as its URL encoded...

CVE-2023-33966

Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and denoruntime 0.114.0, outbound HTTP requests made using the built-in node:http or node:https modules are incorrectly not checked against the network permission allow list --allow-net. Dependencies relying on these built-in modules...

Design/Logic Flaw

Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and denoruntime 0.114.0, outbound HTTP requests made using the built-in node:http or node:https modules are incorrectly not checked against the network permission allow list --allow-net. Dependencies relying on these built-in modules...

CVE-2023-33966 Deno missing "--allow-net" permission check for built-in Node modules

Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and denoruntime 0.114.0, outbound HTTP requests made using the built-in node:http or node:https modules are incorrectly not checked against the network permission allow list --allow-net. Dependencies relying on these built-in modules...

CVE-2023-33966 Deno missing "--allow-net" permission check for built-in Node modules

Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and denoruntime 0.114.0, outbound HTTP requests made using the built-in node:http or node:https modules are incorrectly not checked against the network permission allow list --allow-net. Dependencies relying on these built-in modules...

CVE-2023-28445

Deno is a runtime for JavaScript and TypeScript that uses V8 and is built in Rust. Resizable ArrayBuffers passed to asynchronous functions that are shrunk during the asynchronous operation could result in an out-of-bound read/write. It is unlikely that this has been exploited in the wild, as the...

Design/Logic Flaw

Deno is a runtime for JavaScript and TypeScript that uses V8 and is built in Rust. Resizable ArrayBuffers passed to asynchronous functions that are shrunk during the asynchronous operation could result in an out-of-bound read/write. It is unlikely that this has been exploited in the wild, as the...

CVE-2023-28445 Deno improperly handles resizable ArrayBuffer

Deno is a runtime for JavaScript and TypeScript that uses V8 and is built in Rust. Resizable ArrayBuffers passed to asynchronous functions that are shrunk during the asynchronous operation could result in an out-of-bound read/write. It is unlikely that this has been exploited in the wild, as the...

GHSA-C25X-CM9X-QQGX Deno improperly handles resizable ArrayBuffer

Impact Resizable ArrayBuffers passed to asynchronous native functions that are shrunk during the asynchronous operation could result in an out-of-bound read/write. It is unlikely that this has been exploited in the wild, as the only version affected is Deno 1.32.0. Deno Deploy users are not...

Deno improperly handles resizable ArrayBuffer

Impact Resizable ArrayBuffers passed to asynchronous native functions that are shrunk during the asynchronous operation could result in an out-of-bound read/write. It is unlikely that this has been exploited in the wild, as the only version affected is Deno 1.32.0. Deno Deploy users are not...

CVE-2022-24783 Sandbox bypass leading to arbitrary code execution in Deno

Deno is a runtime for JavaScript and TypeScript. The versions of Deno between release 1.18.0 and 1.20.2 inclusive are vulnerable to an attack where a malicious actor controlling the code executed in a Deno runtime could bypass all permission checks and execute arbitrary shell code. This...