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CVE-2026-59875— node-tar: Uncaught Exception DoS via NUL byte in PAX path/linkpath records

Quick assessment

Affected
isaacs node-tar
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

isaacs node-tar是isaacs个人开发者开源的一款用于文件压缩/解压缩的软件包。 isaacs node-tar 7.5.17之前版本存在异常处理不当漏洞，该漏洞源于未从PAX路径和linkpath记录中剥离NUL字节，允许恶意构造的归档文件通过值传递给fs.lstat或fs.open，导致进程因未捕获异常而终止。

CVSS 5.3 · Medium EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
isaacs node-tar < 7.5.17 affected
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I. Basic Information for CVE-2026-59875

Vulnerability Information
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Vulnerability Title
node-tar: Uncaught Exception DoS via NUL byte in PAX path/linkpath records
Source: CVE Program / CVE List V5
Vulnerability Description
node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.17, node-tar does not strip NUL bytes from PAX path and linkpath records in src/pax.ts, allowing a crafted archive with values to reach fs.lstat or fs.open and terminate the process with an uncaught exception. This issue is fixed in version 7.5.17.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
isaacs node-tar 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
isaacs node-tar是isaacs个人开发者开源的一款用于文件压缩/解压缩的软件包。 isaacs node-tar 7.5.17之前版本存在异常处理不当漏洞，该漏洞源于未从PAX路径和linkpath记录中剥离NUL字节，允许恶意构造的归档文件通过值传递给fs.lstat或fs.open，导致进程因未捕获异常而终止。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
isaacs node-tar < 7.5.17 -

II. Public POCs for CVE-2026-59875

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III. Intelligence Information for CVE-2026-59875

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Patches & Fixes for CVE-2026-59875 (1)

Vendor Advisories for CVE-2026-59875 (1)

Vendor Pages for CVE-2026-59875 (1)

Same Patch Batch · isaacs · 2026-07-08 · 4 CVEs total

CVE-2026-59871 5.3 MEDIUM node-tar: Process crash via PAX numeric path type confusion
CVE-2026-59873 node-tar: Decompression/parse DoS via unlimited input
CVE-2026-59874 node-tar: Negative tar entry size causes infinite loop in archive replace

IV. Related Vulnerabilities

Same product: node-tar
Same vendor: isaacs
Same weakness: CWE-248

V. Comments for CVE-2026-59875

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