CVE-2026-87491-and-CVE-2026-85046-the-bagel-fell-off-the-counter

CVE-2026-85046 + CVE-2026-87491 在 https://github.com/Serotav/Writeups 上做了大量阅读。 决定把 85046 和 87491 结合起来，同时加入一些 WASM。 基本要点： 在 sort 期间混淆 packed object 和整数数组。 跳过写屏障，并用一个伪造数组回收一个年轻对象。 破坏一个 Float64Array 以读写 V8 cage。 使用私有 exception symbol 伪造一个 Wasm exception getter。 在优化代码假定无副作用的情况下更改函数表。...

Exploit for Out-of-bounds Write in Google Chrome

CVE-2026-85046 + CVE-2026-87491 Was doing a ton of reading ov...

Google Chrome 81.0.4044 V8 - Remote Code Execution Exploit

Exploit Title: Google Chrome 81.0.4044 V8 - Remote Code Execution Exploit Author: Tobias Marcotto Tested on: Kali Linux x64 Version: 83.0.4103.106 Description: Out of bounds write in V8 in Google Chrome prior to 83.0.4103.106 allowed a remote attacker to potentially exploit heap corruption via a...

Google Chrome 81.0.4044 V8 Remote Code Execution

Exploit Title: Google Chrome prior 83.0.4103.106 V8 - Remote Code Execution Date: 06/04/2021 Exploit Author: Tobias Marcotto Tested on: Kali Linux x64 Version: 83.0.4103.106 Description: Out of bounds write in V8 in Google Chrome prior to 83.0.4103.106 allowed a remote attacker to potentially...

Google Chrome V8 - Turbofan JSCallReducer::ReduceArrayIndexOfIncludes Out-of-Bounds Read/Write

!-- Since commit https://chromium.googlesource.com/v8/v8.git/+/c22bb466d8934685d897708119543d099b9d2a9a turbofan supports inlining calls to array.includes and array.indexOf. The logic of the function is roughly: 1. Check the set of possible Maps of the array type with...

Google Chrome V8 - Turbofan JSCallReducer::ReduceArrayIndexOfIncludes Out-of-Bounds ReadWrite

Google Chrome V8 - Turbofan JSCallReducer::ReduceArrayIndexOfIncludes Out-of-Bounds ReadWrite !-- Since commit https://chromium.googlesource.com/v8/v8.git/+/c22bb466d8934685d897708119543d099b9d2a9a turbofan supports inlining calls to array.includes and array.indexOf. The logic of the function is...

Google Chrome V8 - Turbofan JSCallReducer::ReduceArrayIndexOfIncludes Out-of-Bounds Read/Write

!-- Since commit https://chromium.googlesource.com/v8/v8.git/+/c22bb466d8934685d897708119543d099b9d2a9a turbofan supports inlining calls to array.includes and array.indexOf. The logic of the function is roughly: 1. Check the set of possible Maps of the array type with...

Google Chrome 60.0.3080.5 V8 JavaScript Engine - Out-of-Bounds Write

Google Chrome 60.0.3080.5 V8 JavaScript Engine - Out-of-Bounds Write // Source: https://halbecaf.com/2017/05/24/exploiting-a-v8-oob-write/ // // v8 exploit for https://crbug.com/716044 var oobrw = null; var leak = null; var arbrw = null; var code = function return 1; code; class BuggyArray extend...

Integer overflow

Multiple integer overflows in Opera 11.60 and earlier allow remote attackers to cause a denial of service application crash via a large integer argument to the 1 Int32Array, 2 Float32Array, 3 Float64Array, 4 Uint32Array, 5 Int16Array, or 6 ArrayBuffer function. NOTE: the vendor reportedly...