CVE-2024-29943

CVE-2024-29943 Un bug del JIT de SpiderMonkey en Pwn2Own: de la inconsistencia de rango de enteros a la eliminación de comprobación de límites y, luego, RCE. Reproducción de CVE-2024-29943 para Windows, basada en https://github.com/bjrjk/CVE-2024-29943 Modificaciones El exploit original está...

CVE-2026-8389

CVE-2026-8389 Esta vulnerabilidad estaba prevista para ser utilizada en Pwn2Own 2026 Berlín, pero fue parcheada en la versión 150.0.3. Truncamiento del campo de bits pcOffset de SpiderMonkey BaselineJIT en la ruta de compilación baseline anticipada fuera del hilo principal, lo que produce un pc d...

CVE-2024-29943

CVE-2024-29943 Un bug de JIT de SpiderMonkey de Pwn2Own: Desde inconsistencia en el rango de enteros hasta eliminación de comprobación de límites y luego RCE. Este repositorio contiene PoC, Exploit y Diapositivas de Análisis para CVE-2024-29943. Demo Demo.mp4 Diapositivas Slides.pdf Información...

CVE-2024-8381

CVE-2024-8381 A SpiderMonkey Interpreter Type Confusion Bug. This repository contains analyses in markdown and slide forms, including root cause, PoC, and exploit. Unfortunately, due to nature of this bug, exploit is only applicable when ASLR is disabled. Slides: Slides.pdf Analysis: Analysis.md...

cve-2019-11707

SpiderMonkey - CVE-2019-11707 Bug: https://bugs.chromium.org/p/project-zero/issues/detail?id=1820 Screenshots Files exploit.js - Actual exploit, prepended by saelo's util.js & Int64.js. stager.js - Used for creating constants, prepended by saelo's util.js & Int64.js...

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-2026-2763-POC

Vulnerability The vulnerability arises from the implementation of the for-in syntax. The scope of a for-in loop is represented by a pair of bytecodes: JSOP::Iter and JSOP::EndIter. root@kitploit: CASEIter MOZASSERTREGS.stackDepth = 1; HandleValue val = REGS.stackHandleAt-1; JSObject iter =...

CVE-2026-2796-escape-wasm-by-using-wasm

CVE-2026-2796 — SpiderMonkey WebAssembly Sandbox Escape Proof-of-concept exploit chain for CVE-2026-2796 , a JIT miscompilation / type-confusion in Mozilla SpiderMonkey's WebAssembly import optimization "JavaScript: WebAssembly" component. A crafted wasm module obtains arbitrary read/write of the...

CVE-2026-15718-who-put-ptrs-in-my-wasm

CVE-2026-15718 — who put ptrs in my wasm Proof-of-concept exploit chain for CVE-2026-15718 , a missing-sync miscompilation in Mozilla SpiderMonkey's WebAssembly baseline compiler "JavaScript: WebAssembly" component. A single zero-trip array.fill yields a fakeobj primitive; the chain escalates to...

Exploit for Protection Mechanism Failure in Mozilla Firefox

CVE-2026-2796 + CVE-2026-2768 — Escape the Wasm Box Full-chai...

Exploit for Type Confusion in Mozilla Firefox

CVE-2026-2796 — SpiderMonkey WebAssembly Sandbox Escape Proof...

OESA-2026-3213 mozjs102 security update

SpiderMonkey is the code-name for Mozilla Firefox's C++ implementation of JavaScript. It is intended to be embedded in other applications that provide host environments for JavaScript. Security Fixes: Unexpected data returned from the Safe Browsing API could have led to memory corruption and a...

MiracleLinux 8 : thunderbird-102.13.0-2.el8.ML.1 (AXSA:2023-6238:20)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2023-6238:20 advisory. Mozilla: Use-after-free in WebRTC certificate generation CVE-2023-37201 Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey...

MiracleLinux 9 : thunderbird-102.8.0-2.el9.ML.1 (AXSA:2023-5140:11)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2023-5140:11 advisory. Mozilla: Arbitrary memory write via PKCS 12 in NSS CVE-2023-0767 Mozilla: Content security policy leak in violation reports using iframes...

MiracleLinux 9 : thunderbird-102.13.0-2.el9.ML.1 (AXSA:2023-6243:21)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2023-6243:21 advisory. Mozilla: Use-after-free in WebRTC certificate generation CVE-2023-37201 Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey...

MiracleLinux 7 : firefox-102.13.0-2.0.1.el7.AXS7 (AXSA:2023-6240:25)

The remote MiracleLinux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2023-6240:25 advisory. Mozilla: Use-after-free in WebRTC certificate generation CVE-2023-37201 Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey...

CVE-2025-14331

Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6...

CVE-2025-14322

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6...

CVE-2025-14330

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6...

CVE-2025-14321

Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6...