CVE-2025-71330— image-size 2.0.2 Denial of Service via Malformed ICNS Image Parsing
Possible ATT&CK Techniques 1AI
T1496 · Resource HijackingAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| image-size | image-size | 1.1.0≤ 1.2.1 | affected |
2.0.0≤ 2.0.2 | affected |
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I. Basic Information for CVE-2025-71330
Vulnerability Information
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Vulnerability Title
image-size 2.0.2 Denial of Service via Malformed ICNS Image Parsing
Source: NVD (National Vulnerability Database)
Vulnerability Description
image-size through 2.0.2 contains a denial of service vulnerability that allows remote attackers to permanently block the Node.js event loop by supplying a specially crafted ICNS image buffer. Attackers can craft an ICNS buffer containing valid magic bytes and a zero-valued entry length field to trigger an infinite loop in the ICNS parser, as the offset is never incremented when the entry length field is 0, causing the while loop condition to remain true indefinitely.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Vulnerability Title
image-size 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
image-size是image-size开源的一个轻量级图片尺寸获取工具。 image-size 2.0.2及之前版本存在安全漏洞，该漏洞源于ICNS解析器中存在无限循环，可能导致远程攻击者通过提供特制ICNS图像缓冲区永久阻塞Node.js事件循环。
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 |
|---|---|---|---|---|
| image-size | image-size | 1.1.0 ~ 1.2.1 | - |
II. Public POCs for CVE-2025-71330
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2025-71330 (1)
Vendor Advisories for CVE-2025-71330 (1)
Security Blog Posts for CVE-2025-71330 (1)
- 🔗 Two infinite loop / DoS vulnerabilities in image-size | Joshua Rogers' Scribbles Read full article technical-descriptionexploit
IV. Related Vulnerabilities
Same weakness: CWE-835
- CVE-2026-48986
pam_usb: Infinite loop DoS in process-tree walk when parent - CVE-2026-55199
libssh2 - Pre-Authentication DoS via SSH_MSG_EXT_INFO Handle - CVE-2026-48733
ImageMagick: Infinite Loop in subimage-search with crafted i - CVE-2025-71329
image-size 2.0.2 Denial of Service via Infinite Loop in JXL/ - CVE-2026-49495
Ghidra 10.2 < 12.1 - Denial of Service via Circular Referenc
V. Comments for CVE-2025-71330
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