CVE-2026-59874: node-tar: Negative tar entry size causes infinite loop in archive replace
isaacs · node-tar
Affected: isaacs node-tar · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 38% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- isaacs · node-tar< 7.5.18
On the Atlas
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CoverageNo articles yet
No CyberSIXT article names CVE-2026-59874 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.