CVE-2026-3979

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

A flaw has been found in quickjs-ng quickjs up to 0.12.1. This affects the function js_iterator_concat_return of the file quickjs.c. This manipulation causes use after free. The attack requires local access. The exploit has been published and may be used. Patch name: daab4ad4bae4ef071ed0294618d6244e92def4cd. Applying a patch is the recommended action to fix this issue.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-119CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Mar 12, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-3979: Medium severity, CVSS 5.3 | Vulnix