CVE-2026-59874— node-tar: Negative tar entry size causes infinite loop in archive replace
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-59874
Vulnerability Information
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Vulnerability Title
node-tar: Negative tar entry size causes infinite loop in archive replace
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
isaacs node-tar 资源管理错误漏洞
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 7.5.18之前版本存在资源管理错误漏洞，该漏洞源于tar.replace函数接受具有负base-256编码条目大小的校验有效tar标头，导致存档扫描器反复解析同一标头而无法继续处理。
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
II. Public POCs for CVE-2026-59874
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Patches & Fixes for CVE-2026-59874 (1)
Vendor Advisories for CVE-2026-59874 (1)
Vendor Pages for CVE-2026-59874 (1)
- 🔗 Release v7.5.18 · isaacs/node-tar · GitHubx_refsource_MISC
Same Patch Batch · isaacs · 2026-07-08 · 4 CVEs total
| CVE-2026-59875 | 5.3 MEDIUM | node-tar: Uncaught Exception DoS via NUL byte in PAX path/linkpath records |
| 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 |
IV. Related Vulnerabilities
Same product: node-tar
- CVE-2026-59871
node-tar: Process crash via PAX numeric path type confusion - CVE-2026-59873
node-tar: Decompression/parse DoS via unlimited input - CVE-2026-59875
node-tar: Uncaught Exception DoS via NUL byte in PAX path/li - CVE-2026-53655
node-tar applies PAX size override to intermediary GNU long- - CVE-2026-31802
node-tar Symlink Path Traversal via Drive-Relative Linkpath
Same vendor: isaacs
- CVE-2026-59871
node-tar: Process crash via PAX numeric path type confusion - CVE-2026-59873
node-tar: Decompression/parse DoS via unlimited input - CVE-2026-59875
node-tar: Uncaught Exception DoS via NUL byte in PAX path/li - CVE-2026-53655
node-tar applies PAX size override to intermediary GNU long- - CVE-2026-31802
node-tar Symlink Path Traversal via Drive-Relative Linkpath
Same weakness: CWE-835
- CVE-2026-64611
Libcupsfilters: cups-filters: libcupsfilters: cpu exhaustion - CVE-2026-64834
FFmpeg 0.6.3 - 8.1.2 Infinite Loop DoS via RTP/ASF Demuxer - CVE-2026-16551
Denial-of-Service in OpenCanary's MongoDB module - CVE-2026-45820
101arrowz fflate 资源管理错误漏洞 - CVE-2026-59849
Libssh: libssh: denial of service via automatic certificate
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