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
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | [email protected] | 
Solution
- Update node-tar to version 7.5.2.
- Rebuild and redeploy the application.
References to Advisories, Solutions, and Tools
                                            Here, you will find a curated list of external links that provide in-depth
                                            information, practical solutions, and valuable tools related to
                                            CVE-2025-64118.
                                        
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:
        
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
            (CAPEC)
            stores attack patterns, which are descriptions of the common attributes and
            approaches employed by adversaries to exploit the CVE-2025-64118
            weaknesses.
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 
 
                         
                         
                         
                                             
                                            