CVE-2026-59874: node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, tar.replace accepts a checksum-valid tar he…
node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, tar.replace accepts a checksum-valid tar header with a negative base-256 encoded entry size, causing the archive scanner to make no progress while repeatedly parsing the same header. This issue is fixed in version 7.5.18.
- Published by source
- 2026-07-08
- First seen by Reality Radar
- 2026-10-25
- Last verified
- 2026-10-25
Affected
- Manufacturer
- isaacs
- Products
- tar
- Versions
- <7.5.18
- CPE
- cpe:2.3:a:isaacs:tar:*:*:*:*:*:node.js:*:*
Whether your exact unit is affected depends on the model, serial number and region in the official notice.
What the official notice says
Risk: CVSS 8.7
Is this affecting you?
Add what you own or use and Reality Radar will tell you when official changes match it — with evidence and next steps.
Sources
- NIST National Vulnerability Database Tier A · official published 2026-07-08
Evidence ledger
Every piece of evidence we store is appended to a public hash chain, so later edits are detectable. Anyone can re-verify it.
| Entry | Kind | Observed | Evidence hash | Entry hash |
|---|---|---|---|---|
| #1673 | new | 2026-10-25 | 8e1250daaff0…ff19b3 | 37e09b849202…2efe09 |
Chain head: #1697 83c542f07eed…822c88