GHSA-8X88-C5MF-7J5W node-tar: Negative tar entry size causes infinite loop in archive replace

Summary A checksum-valid tar archive with a negative base-256 encoded entry size can make tar.replace loop forever while scanning the existing archive. Applications that update attacker-controlled tar archives can have a worker process pinned indefinitely, causing denial of service. Details The...

Infinite loop

Overview org.webjars.npm:tar is a full-featured Tar for Node.js. Affected versions of this package are vulnerable to Infinite loop via the replace method. An attacker can cause the archive scanner to enter an infinite loop by providing a tar header with a negative base-256 encoded entry size...

DEBIAN-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 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...

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 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...

CVE-2026-59874

node-tar is a Node.js tar archive library. 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 loop on the same header and make no progress; this is fixed in version 7.5.18. Upgrade to 7.5.18 to remediate. Th...