CVE-2026-120439
7 HIGHpublic exploit availablePublished 2026-11-02 · Updated 2026-11-02
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
QuickJS-NG before 0.16.0 contains an integer overflow in js_typed_array_sort() in quickjs.c that allows attackers to cause a heap buffer overflow on 32-bit hosts. Attackers who can run JavaScript can call TypedArray.prototype.sort with a comparator on a typed array near 2^30 elements, wrapping the allocation size and writing indices past the buffer to crash or potentially execute code.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Weaknesses
CWE-190
Public exploit & PoC references
All references
- https://github.com/quickjs-ng/quickjs/blob/v0.15.1/quickjs.c#L60032
- https://github.com/quickjs-ng/quickjs/commit/e93cca611908e12b824ec85fbee6b31a5ee61568
- https://github.com/quickjs-ng/quickjs/releases/tag/v0.16.0
- https://github.com/quickjs-ng/quickjs/security/advisories/GHSA-9wv5-5cgr-grj6
- https://www.vulncheck.com/advisories/quickjs-ng-before-0.16.0-heap-buffer-overflow-via-typedarray-prototype-sort
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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