CVE-2025-64118
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductTar
PublishedOct 30, 2025
First seenOct 30, 2025
Weakness typeCWE-362Race conditionCWE-367CWE-367
How to fix
Update
- tar7.5.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tarnpm | 7.5.1 ≤ v < 7.5.2 | 7.5.2 |
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