No VulnCrest analysis published for this CVE yet. Below is the original CNA/NVD description, unmodified.
Description
QuickJS-NG before 0.16.0 contains an integer overflow in js_proxy_get_own_property_names() in quickjs.c that causes a heap buffer overflow on 32-bit hosts. Attackers running JavaScript can return a large array-like object from a Proxy ownKeys trap to wrap the allocation size, causing crashes or potential code execution.
Exploits & detection
No public PoC or detection template found yet.
Timeline
- Published: 02 Nov 2026
- Last modified upstream: 05 Nov 2026
Sources & licenses
- CVE / CVSS / CWE
- NVD record ↗ (unmodified). This product uses the NVD API but is not endorsed or certified by the NVD. CVE® © The MITRE Corporation.
- Exploitation
- CISA KEV (CC0) · EPSS by FIRST.org
- References used for the analysis
- https://github.com/quickjs-ng/quickjs/blob/v0.15.1/quickjs.c#L51509
- https://github.com/quickjs-ng/quickjs/commit/252209d99cf112568160548bdcaa98d95e0d0068
- https://github.com/quickjs-ng/quickjs/releases/tag/v0.16.0
- https://github.com/quickjs-ng/quickjs/security/advisories/GHSA-jp52-chwg-2p9p
- https://www.vulncheck.com/advisories/quickjs-ng-before-0.16.0-heap-buffer-overflow-via-proxy-ownkeys-enumeration
- Analysis, summary and remediation
- © VulnCrest