Security Advisory
CVE-2026-59874
7.5
HIGH
Vulnerability Description
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 Date
July 8, 2026
Official Source
NIST NVD Advisory