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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

quickjs

A vulnerability was identified in quickjs-ng quickjs up to 0.11.0. This issue affects the function js_typed_array_sort of the file quickjs.c. The manipulation leads to heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The identifier of the patch is 53eefbcd695165a3bd8c584813b472cb4a69fbf5. To fix this issue, it is recommended to deploy a patch.

The vulnerability CVE-2026-0822 affects the quickjs-ng quickjs JavaScript engine, specifically versions from 0.1 through 0.11.0. The issue resides in the js_typed_array_sort function within the quickjs.c source file, where improper handling of typed array sorting operations leads to a heap-based buffer overflow. This memory corruption flaw can be triggered remotely over the network without requiring authentication, although user interaction is necessary to exploit it. The overflow may allow attackers to overwrite heap memory, potentially enabling arbitrary code execution, application crashes, or denial of service conditions. The vulnerability is classified with a CVSS 4.0 score of 5.3, reflecting medium severity due to the combination of remote exploitability, lack of required privileges, but the need for user interaction and limited impact on confidentiality, integrity, and availability. A patch addressing this vulnerability has been committed (commit ID 53eefbcd695165a3bd8c584813b472cb4a69fbf5), which corrects the memory handling in the affected function. While no active exploits have been reported in the wild, publicly available exploit code increases the likelihood of future attacks. Quickjs-ng quickjs is often embedded in various applications and devices for JavaScript execution, making this vulnerability relevant for a broad range of software relying on this engine.

Detailed information about CVE-2026-0822: Heap-based Buffer Overflow in quickjs-ng quickjs affecting quickjs-ng quickjs. Get real-time updates, technical detail

CVE-2026-0822: Heap-based Buffer Overflow in quickjs-ng quickjs - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-0822: Heap-based Buffer Overflow in quickjs-ng quickjs

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