CVE-2025-71330
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk33th percentile - higher than 33% of all known CVEs
Summary
Version 2.0.2 of the image-size library 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, triggering an infinite loop in the ICNS parser.
Risk Assessment
This vulnerability can lead to a complete application shutdown, resulting in service disruption and potential financial losses for the organization.
Recommendation
It is recommended to update the image-size library to the latest version to mitigate this vulnerability and to monitor the application for unauthorized access attempts.
Original NVD description (English source)
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.