CVE-2021-23386

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-909

Affected software

No affected versions have been published.

Timeline

Published: May 20, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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