Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Isaacs | Tar | < 7.5.19 |
Related Weaknesses (CWE)
References
- https://github.com/isaacs/node-tar/commit/2812e9338665659b183aa7226518c307044957Patch
- https://github.com/isaacs/node-tar/releases/tag/v7.5.19Release Notes
- https://github.com/isaacs/node-tar/security/advisories/GHSA-23hp-3jrh-7fpwExploitVendor Advisory
- https://github.com/isaacs/node-tar/security/advisories/GHSA-23hp-3jrh-7fpwExploitVendor Advisory
FAQ
What is CVE-2026-59873?
CVE-2026-59873 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...
How severe is CVE-2026-59873?
CVE-2026-59873 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-59873?
Check the references section above for vendor advisories and patch information. Affected products include: Isaacs Tar.