CVE-2025-64118

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.

Weakness Type (CWE)

CWE-362 CWE-362

CWE-367 CWE-367

References

Other References

https://github.com/isaacs/node-tar/commit/5330eb04bc43014f216e5c271b40d5c00d45224d https://github.com/isaacs/node-tar/issues/445 https://github.com/isaacs/node-tar/pull/446 https://github.com/isaacs/node-tar/security/advisories/GHSA-29xp-372q-xqph

Frequently Asked Questions

What is CVE-2025-64118? +

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.

How do I check if I'm vulnerable to CVE-2025-64118? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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