CVE-2026-59874
Published:July 08, 2026
Updated:July 31, 2026
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 Packages
https://github.com/isaacs/node-tar.git (GITHUB):
Affected version(s) >=v0.1.14 <7.5.18Fix Suggestion:
Update to version 7.5.18tar (NPM):
Affected version(s) >=0.0.1 <7.5.18Fix Suggestion:
Update to version 7.5.18tar (NPM):
Affected version(s) >=0.0.1 <7.5.18Fix Suggestion:
Update to version 7.5.18Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Loop with Unreachable Exit Condition ('Infinite Loop')
EPSS
Base Score:
0.42