CVE-2025-71330

HIGH EPSS 34.5%
Published Jun 10, 20262w ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
High
Find Similar
Published Jun 10, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
34.5% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-835

Affected Products 2

VendorProductVersionRange
image-sizeimage-size*≥1.1.0  –  ≤1.2.1
image-sizeimage-size*≥2.0.0  –  ≤2.0.2

References 3

  • joshua.hu https://joshua.hu/image-size-infinite-loop-dos-vulnerabilities
    ExploitThird Party Advisory
  • web.archive.org https://web.archive.org/web/20260224152152/https://github.com/image-size/image-size/pull/439
    Issue TrackingPatch
  • vulncheck.com https://www.vulncheck.com/advisories/image-size-denial-of-service-via-malformed-icns-image-parsing
    Third Party Advisory

Remediation

  • web.archive.org https://web.archive.org/web/20260224152152/https://github.com/image-size/image-size/pull/439
    Issue TrackingPatch