Buffer overflow in Quickjs-ng Quickjs
CVE-2026-1144
A vulnerability was detected in quickjs-ng quickjs up to 0.11.0. Affected is an unknown function of the file quickjs.c of the component Atomics Ops Handler. The manipulation results in use after free. The attack can be executed remotely. T…
Vulnerability class: Buffer Overflow
EPSS: 0.002 (45.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Quickjs-ng Quickjs — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- VDB-341737 | quickjs-ng quickjs Atomics Ops quickjs.c use after free (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-341737 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #735537 | quickjs-ng quickjs v0.11.0 Use After Free (Third Party Advisory, VDB Entry, third-party-advisory)
- Submit #735538 | quickjs-ng quickjs v0.11.0 Use After Free (Duplicate) (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Issue Tracking)
- cna@vuldb.com (issue-tracking, Patch, Issue Tracking)
- cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking)
- cna@vuldb.com (Patch, patch)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-1144?
- CVE-2026-1144 is a medium-severity vulnerability in Quickjs-ng Quickjs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-01-19.
- How severe is CVE-2026-1144?
- Medium severity. CVSS v3 base score is 6.3 out of 10.