PT-2026-135456

CVE-2026-120440

·

Published

2026-11-02

·

Updated

2026-11-02

Description by

CVSS 3.1
5.3
Medium
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
QuickJS-NG before 0.16.0 contains a memory leak vulnerability in js atomics store() in quickjs.c that fails to free the converted value when returning a RangeError. Attackers running JavaScript can repeatedly call Atomics.store with a valueOf that detaches or shrinks the buffer to exhaust heap memory and cause denial of service.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
Found an issue in the description? Have something to add? Feel free to write us 👾