CVE-2018-20834

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-59

Affected software

No affected versions have been published.

Timeline

Published: Apr 30, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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