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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-59874

node-tar: Negative tar entry size causes infinite loop in archive replace

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

isaacs node-tar

  • < 7.5.18affected

References