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CVE Vulnerability Details :
CVE-2026-59874
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-08 Jul, 2026 | 15:23
Updated At-08 Jul, 2026 | 17:00
Rejected At-
▼CVE Numbering Authority (CNA)
node-tar: Negative tar entry size causes infinite loop in archive replace

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
Vendor
isaacs
Product
node-tar
Versions
Affected
  • < 7.5.18
Problem Types
TypeCWE IDDescription
CWECWE-835CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
Type: CWE
CWE ID: CWE-835
Description: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
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
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/isaacs/node-tar/security/advisories/GHSA-8x88-c5mf-7j5w
x_refsource_CONFIRM
https://github.com/isaacs/node-tar/commit/9e78bf058b2c22dd4d52e00d8922d5c06fc2f7b5
x_refsource_MISC
https://github.com/isaacs/node-tar/releases/tag/v7.5.18
x_refsource_MISC
Hyperlink: https://github.com/isaacs/node-tar/security/advisories/GHSA-8x88-c5mf-7j5w
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/isaacs/node-tar/commit/9e78bf058b2c22dd4d52e00d8922d5c06fc2f7b5
Resource:
x_refsource_MISC
Hyperlink: https://github.com/isaacs/node-tar/releases/tag/v7.5.18
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/isaacs/node-tar/security/advisories/GHSA-8x88-c5mf-7j5w
exploit
Hyperlink: https://github.com/isaacs/node-tar/security/advisories/GHSA-8x88-c5mf-7j5w
Resource:
exploit
Details not found