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

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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'}


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 : Received

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

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

Link: CVE-2025-64118

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.