6.1
MEDIUM CVSS 4.0
CVE-2025-64118
node-tar vulnerable to race condition leading to uninitialized memory exposure
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.

INFO

Published Date :

Oct. 30, 2025, 6:15 p.m.

Last Modified :

Oct. 30, 2025, 6:15 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-64118 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tar_project tar
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM [email protected]
Solution
Update node-tar to version 7.5.2 or later to fix memory corruption issues.
  • Update node-tar to version 7.5.2.
  • Rebuild and redeploy the application.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-64118 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-64118 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-64118 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 30, 2025

    Action Type Old Value New Value
    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.
    Added CVSS V4.0 AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-362
    Added CWE CWE-367
    Added Reference https://github.com/isaacs/node-tar/commit/5330eb04bc43014f216e5c271b40d5c00d45224d
    Added Reference https://github.com/isaacs/node-tar/issues/445
    Added Reference https://github.com/isaacs/node-tar/pull/446
    Added Reference https://github.com/isaacs/node-tar/security/advisories/GHSA-29xp-372q-xqph
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.1
Attack Vector
Attack Complexity
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