critical7.5
CVE-2026-59873
node-tar is a tar archive manipulation library for Node.js.
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | tar | <= 7.5.18 | 7.5.19 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Isaacs | Tar | before 7.5.19 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-23hp-3jrh-7fpw
- https://github.com/isaacs/node-tar/security/advisories/GHSA-23hp-3jrh-7fpw
- https://nvd.nist.gov/vuln/detail/CVE-2026-59873
- https://github.com/isaacs/node-tar/commit/2812e9338665659b183aa7226518c307044957d3
- https://github.com/isaacs/node-tar/releases/tag/v7.5.19