OSV-2026-764 Heap-use-after-free in JS_DefineProperty

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513811188 Crash type: Heap-use-after-free READ 8 Crash state: JSDefineProperty buildbacktrace JSCallInternal...

OSV-2025-884 Heap-use-after-free in JS_DefineProperty

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=458199402 Crash type: Heap-use-after-free READ 8 Crash state: JSDefineProperty buildbacktrace JSCallInternal...

PT-2025-20242 · Git +1 · Quickjs

Name of the Vulnerable Software and Affected Versions: The product name cannot be determined. affected versions not specified Description: The issue involves a use-of-uninitialized-value crash occurring within the JS DefineProperty function, triggered through JS CallInternal and build backtrace...

SUSE CVE-2016-1622

The Extensions subsystem in Google Chrome before 48.0.2564.109 does not prevent use of the Object.defineProperty method to override intended extension behavior, which allows remote attackers to bypass the Same Origin Policy via crafted JavaScript code...

Chrome JSNativeContextSpecialization::BuildElementAccess Bypass Exploit

Chrome: Copy-on-write check bypass in JSNativeContextSpecialization::BuildElementAccess VULNERABILITY DETAILS Copy-on-write is one of V8's internal optimization features that allows multiple JavaScript objects to share the same element store. This feature is primarily used to optimize creation of...

Microsoft Windows JScript defineProperty Use-After-Free Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Windows JScript. 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 withi...

Microsoft Edge - Internationalization Initialization Type Confusion (MS16-144) Exploit

Exploit for windows platform in category dos / poc 1; , set: function ; function f var i = Intl; Intl = ; // this somehow prevents an exception that prevents laoding di, "Collator", noobj;...

UBUNTU-CVE-2016-1622

The Extensions subsystem in Google Chrome before 48.0.2564.109 does not prevent use of the Object.defineProperty method to override intended extension behavior, which allows remote attackers to bypass the Same Origin Policy via crafted JavaScript code...