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quickjs

A flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function js_typed_array_constructor_ta of the file quickjs.c. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 53aebe66170d545bb6265906fe4324e4477de8b4. It is suggested to install a patch to address this issue.

CVE-2026-1145 identifies a heap-based buffer overflow vulnerability in the quickjs-ng quickjs JavaScript engine, specifically in the function js_typed_array_constructor_ta located in quickjs.c. This function improperly handles typed array construction, leading to a heap overflow condition when processing maliciously crafted inputs. The vulnerability affects all versions up to and including 0.11.0. The flaw can be exploited remotely without requiring authentication or elevated privileges, but user interaction is necessary to trigger the vulnerability, such as processing malicious JavaScript code. The overflow can corrupt heap memory, potentially allowing attackers to execute arbitrary code, crash the application, or cause denial of service. The vulnerability has been assigned a CVSS 4.0 score of 5.3, reflecting medium severity due to the combination of remote exploitability, user interaction requirement, and limited impact on confidentiality, integrity, and availability. A patch identified by commit 53aebe66170d545bb6265906fe4324e4477de8b4 has been released to address this issue. No confirmed exploits are currently observed in the wild, but proof-of-concept code is publicly available, increasing the risk of exploitation. Quickjs-ng quickjs is commonly embedded in IoT devices, embedded systems, and applications requiring lightweight JavaScript engines, making this vulnerability relevant to those environments.

Detailed information about CVE-2026-1145: Heap-based Buffer Overflow in quickjs-ng quickjs affecting quickjs-ng quickjs. Get real-time updates, technical detail

CVE-2026-1145: Heap-based Buffer Overflow in quickjs-ng quickjs - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-1145: Heap-based Buffer Overflow in quickjs-ng quickjs

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