high7.5
CVE-2025-71330
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 spe…
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | image-size | >= 0.6.3, <= 2.0.2 | 2.0.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Image-Size | Image-Size | from 1.1.0 through 1.2.1 from 2.0.0 through 2.0.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-w3rx-r6r6-pgpr
- https://nvd.nist.gov/vuln/detail/CVE-2025-71330
- https://joshua.hu/image-size-infinite-loop-dos-vulnerabilities
- https://web.archive.org/web/20260224152152/https://github.com/image-size/image-size/pull/439
- https://www.vulncheck.com/advisories/image-size-denial-of-service-via-malformed-icns-image-parsing
- https://codeberg.org/image-size/image-size/commit/e6e83a5578961de81f6d5834d90fb7430d8f29a5