CVE-2024-29943-but-with-wasm

CVE-2024-29943, but with wasm An end-to-end exploit chain for CVE-2024-29943 that achieves arbitrary native code execution by smuggling shellcode into SpiderMonkey's WebAssembly JIT code page as f64.const immediates — no ROP, no VirtualProtect, no external toolchain. Verified working against the...

CVE-2026-21001-WebAssembly-Linear-Memory-OOB-via-Table-Index-Confusion

CVE-2026-21001 – WebAssembly Linear Memory OOB via Table Index Confusion Overview A WebAssembly module uses an imported function with no bounds check on an array index. An attacker can supply an out-of-bounds index to read or write outside the linear memory, potentially leaking host secrets or...

toy-wasm-symbexp

toy-wasm-symbexp This is a toy WASM symbolic interpreter. It illustrates the following articles: Part 1 - Introduction Part 2 - Writing a concrete interpreter - browse code at this stage Part 3 - Writing a symbolic interpreter - browse code at this stage Part 4 - Writing a symbolic interpreter...

EUVD-2026-108309

Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains an improper validation vulnerability that accepts components whose core modules import WebAssembly tags with a subtype of the original type. Malicious guests can mis-type exception object payloads to corrupt the GC heap, causing...

CVE-2018-17463

CVE-2018-17463 Working Proof of Concept Exploit for CVE-2018-17463 utilzing WebAssembly RWX Pages for Shellcode execution. CVE-2018-17463 stemmed from the incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64, allowing a remote attacker to execute arbitrary code inside a...

webvm

WebVM This repository hosts the source code for https://webvm.io, a Linux virtual machine that runs in your browser. Try out the new Alpine / Xorg / i3 graphical environment: https://webvm.io/alpine.html WebVM is a server-less virtual environment running fully client-side in HTML5/WebAssembly. It...

kbd-audio

kbd-audio This is a collection of command-line and GUI tools for capturing and analyzing audio data. Keytap The most interesting tool is called keytap - it can guess pressed keyboard keys only by analyzing the audio captured from the computer's microphone. Check this blog post for more details:...

webvm

WebVM This repository hosts the source code for https://webvm.io, a Linux virtual machine that runs in your browser. Try out the new Alpine / Xorg / i3 graphical environment: https://webvm.io/alpine.html What is WebVM? WebVM is a server-less virtual environment running fully client-side in...

rzweb

RzWeb Supported by RzWeb is a browser UI for Rizin compiled to WebAssembly. You drop a binary in. Analysis stays on this machine. Rizin runs in a Web Worker so the page does not freeze while WASM loads. aaa still owns that worker until the command returns. Each open binary is a context. Artifact...

BLACKHAT_Asia2023

BLACKHATAsia2023 Just About BLACKHAT USA2022 PDF Public File List, Search what your intersting. BLACKHATAsia2023 ├── AS-23-Babkin-firmWar-An-Imminent-Threat-to-the-Foundation-of-Computing.pdf ├── AS-23-Bai-Stealthy-Sensitive-Information-Collection-from-Android-Apps.pdf ├──...

CVE-2024-12381

CVE-2024-12381 CVE-2024-12381 is a WebAssembly type canonicalization vulnerability in Chrome's V8 engine where CanonicalEquality::EqualValueType fails to account for nullability in indexed reference types. Combined with a JSPI-based V8 sandbox bypass CVE-2024-12692, this allows remote code...

CVE-2026-74936-gc-potato

CVE-2026-74936 A not fancy reproduction. The baseline required some fiddling here. Mozilla describes this issue as a WebAssembly use-after-free. Public fix 9823b5c86ffa keeps the exact trapping wasm::Code alive in JitActivation. The test performs a bad-signature cross-instance tail call. A Debugg...

CVE-2026-112947

A flaw was found in Vite. A remote attacker can exploit this flaw to cause information disclosure by sending a crafted request with a WebAssembly query parameter. Vite's internal WebAssembly Wasm plugin fails to enforce filesystem access restrictions, reading files from the host disk and returnin...

CVE-2026-113679

A flaw was found in HarfBuzz. An attacker can trigger an out-of-bounds write by enticing an application using the experimental WebAssembly Wasm shaper to process a specially crafted font. Due to an incorrect function signature in the glyph string conversion interface, the font's embedded...

CVE-2026-113680

A flaw was found in HarfBuzz. This vulnerability allows an attacker to cause a Denial of Service DoS by supplying a specially crafted font containing an embedded WebAssembly Wasm module. When an application shapes text using the malicious font, the module passes out-of-range memory addresses to...

CVE-2026-113679

HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the fontglyphtostring import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing...

CVE-2026-113680

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...

CVE-2026-113680

The HarfBuzz library, versions 8.0.0 through 14.6.0 , contains a NULL pointer dereference vulnerability within the experimental WebAssembly shaper host imports, specifically affecting buffer_set_contents, face_create, and font_set_coords. A remote attacker can trigger a Denial of Service (DoS) by...

CVE-2026-113680 HarfBuzz 8.0.0 through 14.6.0 WebAssembly Shaper NULL Pointer Dereference DoS

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...

EUVD-2026-105096

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...