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VULNERABILITIES

CVE-2021-23386 Details

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

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56 CVEPatchThird Party Advisory
https://hackerone.com/bugs?subject=user&amp%3Breport_id=968858 CVEPermissions RequiredThird Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719 CVEPatchThird Party Advisory
https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563 CVEPatchThird Party Advisory
https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56 [email protected]PatchThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-909Missing Initialization of Resource[email protected]

Affected Products

ProductVersions
dns-packet project dns-packet
< 1.3.4
>= 2.0.0, < 5.2.2

CPE

  • cpe:2.3:a:dns-packet_project:dns-packet:*:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-23386
NVD Published Date:
May 20, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-23386 Details - Not Deferred