Allocation of Resources Without Limits or Throttling in node-tar - #VU135768
Published: June 29, 2026
Vulnerability identifier: #VU135768
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: isaacs
Affected software:
node-tar
node-tar
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in the Unpack stream in src/extract.ts when extracting crafted compressed tar archives. A remote attacker can send a specially crafted archive to cause a denial of service.
The issue can exhaust disk space and CPU through decompression and parsing of highly compressible input.
Remediation
Install security update from vendor's website.