CVE-2026-59873

Description

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.19, node-tar does not enforce hard upper bounds on total decompressed data, entry counts, or decompression ratio in extraction and parsing paths such as src/extract.ts, allowing a small crafted gzip bomb to exhaust disk space and CPU. This issue is fixed in version 7.5.19.

Weakness Type (CWE)

CWE-770 CWE-770

References

Other References

https://github.com/isaacs/node-tar/commit/2812e9338665659b183aa7226518c307044957d3 https://github.com/isaacs/node-tar/releases/tag/v7.5.19 https://github.com/isaacs/node-tar/security/advisories/GHSA-23hp-3jrh-7fpw https://github.com/isaacs/node-tar/security/advisories/GHSA-23hp-3jrh-7fpw

Frequently Asked Questions

What is CVE-2026-59873? +

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.19, node-tar does not enforce hard upper bounds on total decompressed data, entry counts, or decompression ratio in extraction and parsing paths such as src/extract.ts, allowing a small crafted gzip bomb to exhaust disk space and CPU. This issue is fixed in version 7.5.19.

How do I check if I'm vulnerable to CVE-2026-59873? +

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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