Description
node-tar is a Tar for Node.js. In 7.5.1, using .t (aka .list) with { sync: true } to read tar entry contents returns uninitialized memory contents if tar file was changed on disk to a smaller size while being read. This vulnerability is fixed in 7.5.2.
Published: 2025-10-30
Score: 6.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-29xp-372q-xqph node-tar has a race condition leading to uninitialized memory exposure
History

Fri, 31 Oct 2025 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Node-tar Project
Node-tar Project node-tar
Vendors & Products Node-tar Project
Node-tar Project node-tar

Thu, 30 Oct 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 30 Oct 2025 18:00:00 +0000

Type Values Removed Values Added
Description node-tar is a Tar for Node.js. In 7.5.1, using .t (aka .list) with { sync: true } to read tar entry contents returns uninitialized memory contents if tar file was changed on disk to a smaller size while being read. This vulnerability is fixed in 7.5.2.
Title node-tar vulnerable to race condition leading to uninitialized memory exposure
Weaknesses CWE-362
CWE-367
References
Metrics cvssV4_0

{'score': 6.1, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H'}


Subscriptions

Node-tar Project Node-tar
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-10-30T18:42:19.663Z

Reserved: 2025-10-27T15:26:14.128Z

Link: CVE-2025-64118

cve-icon Vulnrichment

Updated: 2025-10-30T18:42:14.810Z

cve-icon NVD

Status : Deferred

Published: 2025-10-30T18:15:33.673

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-64118

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-31T10:14:02Z

Weaknesses