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CVE-2026-3979

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/12/2026

Last Modified3/12/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-119CWE-416

References

https://github.com/quickjs-ng/quickjs/(cna@vuldb.com)

https://github.com/quickjs-ng/quickjs/commit/daab4ad4bae4ef071ed0294618d6244e92def4cd(cna@vuldb.com)

https://github.com/quickjs-ng/quickjs/issues/1368(cna@vuldb.com)

https://github.com/quickjs-ng/quickjs/issues/1368#issue-4004680962(cna@vuldb.com)

https://github.com/quickjs-ng/quickjs/pull/1370(cna@vuldb.com)

https://vuldb.com/?ctiid.350414(cna@vuldb.com)

https://vuldb.com/?id.350414(cna@vuldb.com)

https://vuldb.com/?submit.769600(cna@vuldb.com)

IOC Correlations

No correlations recorded

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