isaacs node-tar up to 7.5.16 PAX Record src/pax.ts input validation

Summaryinfo

A vulnerability was found in isaacs node-tar up to 7.5.16. It has been classified as problematic. This issue affects some unknown processing of the file src/pax.ts of the component PAX Record Handler. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2026-59875. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in isaacs node-tar up to 7.5.16. This affects an unknown code block of the file src/pax.ts of the component PAX Record Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.17, node-tar does not strip NUL bytes from PAX path and linkpath records in src/pax.ts, allowing a crafted archive with values to reach fs.lstat or fs.open and terminate the process with an uncaught exception. This issue is fixed in version 7.5.17.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-59875 since 07/07/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 7.5.17 eliminates this vulnerability.

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Productinfo

Vendor

• isaacs

Name

• node-tar

Version

• 7.5.0
• 7.5.1
• 7.5.2
• 7.5.3
• 7.5.4
• 7.5.5
• 7.5.6
• 7.5.7
• 7.5.8
• 7.5.9
• 7.5.10
• 7.5.11
• 7.5.12
• 7.5.13
• 7.5.14
• 7.5.15
• 7.5.16

Website

• Product: https://github.com/isaacs/node-tar/

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