CVE-2026-59873

node-tar: Decompression/parse DoS via unlimited input

Published Jul 8, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Description
node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.19, node-tar does not enforce hard upper bounds on total decompressed data, entry counts, or decompression ratio in extraction and parsing paths such as src/extract.ts, allowing a small crafted gzip bomb to exhaust disk space and CPU. This issue is fixed in version 7.5.19.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-23hp-3jrh-7fpw node-tar: Decompression/parse DoS via unlimited input
History
Type Values Removed Values Added
First Time appeared Isaacs
Isaacs tar
Vendors & Products Isaacs
Isaacs tar
Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Important

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.19, node-tar does not enforce hard upper bounds on total decompressed data, entry counts, or decompression ratio in extraction and parsing paths such as src/extract.ts, allowing a small crafted gzip bomb to exhaust disk space and CPU. This issue is fixed in version 7.5.19.
Title node-tar: Decompression/parse DoS via unlimited input
Weaknesses CWE-770
References
Metrics cvssV4_0

{'score': 9.2, '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:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jul 8, 2026, 7:41 PM
Reserved
Jul 7, 2026, 3:41 PM
Status
Analyzed
Published
Jul 8, 2026, 4:16 PM
Modified
Oct 25, 2026, 5:10 PM
Severity
Important
Public date
Jul 8, 2026, 3:22 PM