CVE-2026-2764-but-with-wasm

CVE-2026-2764, but with wasm Status: analysis + validated PoC. Primitive weaponization in progress. A WasmBlazeFox-style chain built on a 2026 bug this time: CVE-2026-2764, an IonMonkey/baseline "JIT miscompilation + use-after-free" in the JavaScript Engine: JIT component, fixed in Firefox 148 MF...

CVE-2019-17026-Exploit

CVE-2019-17026 - A Firefox JIT bug Original bug caught in the wild by Qihoo 360. Exploit written by maxpl0it. Works on Firefox 72.0.1 This is an exploit for CVE-2190-17026: IonMonkey type confusion with StoreElementHole and FallibleStoreElement This exploit does not use a sandbox escape, so for...

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-2019-9810

CVE-2019-9810 Exploit para Firefox en Windows CVE-2019-9810 es una vulnerabilidad que fue encontrada y explotada en Pwn2Own 2019 por Richard Zhu y Amat Cama. Afecta al motor JavaScript de Mozilla, SpiderMonkey, y fue utilizada para comprometer el renderizador. El problema fue solucionado en...

Exploit for Use After Free in Mozilla Firefox

CVE-2026-2764, but with wasm Status: analysis + validated P...

Mozilla Firefox IonMonkey Switch Statement Optimization Type Confusion Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Mozilla Firefox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within IonMonkey when...

EUVD-2019-19157

Malware in sbrugna...

Unity Linux 20.1070a Security Update: firefox (UTSA-2025-987437)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987437 advisory. On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerabilit...

EUVD-2025-22372

Malicious code in bioql PyPI...

ROS-20250827-09

Vulnerability in Mozilla Firefox, Firefox ESR and Thunderbird email client is related to an operation exceeding the memory buffer boundaries. operation outside of the memory buffer. Exploitation of the vulnerability could allow an attacker acting remotely to affect the confidentiality, integrity,...

ROS-20250827-08

Vulnerability in Mozilla Firefox, Firefox ESR and Thunderbird email client is related to an operation exceeding the memory buffer boundaries. operation outside of the memory buffer. Exploitation of the vulnerability could allow an attacker acting remotely to affect the confidentiality, integrity,...

Linux Distros Unpatched Vulnerability : CVE-2019-9795

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability where type-confusion in the IonMonkey just-in-time JIT compiler could potentially be used by malicious JavaScript to trigger a potentially...

Linux Distros Unpatched Vulnerability : CVE-2019-9810

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerabilit...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

Linux Distros Unpatched Vulnerability : CVE-2025-8027

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This...