CVE-2025-71319

HIGH 7.5

image-size < 1.2.1, 2.0.2 - Denial of Service via Infinite Loop in findBox Function

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

image-size 1.1.0 before 1.2.1 and 2.0.0 before 2.0.2 contain a denial of service vulnerability in the findBox function when processing specially crafted images with zero-sized boxes. Remote attackers can cause application hang by supplying malicious JXL, HEIF, or JP2 image files with box size zero, triggering infinite loops during image validation.

CWE	CWE-835
Vendor	image-size
Product	image-size
Published	Jun 9, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

image-size / image-size

1.1.0 < 1.2.1

image-size / image-size

2.0.0 < 2.0.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/image-size/image-size/security/advisories/GHSA-m5qc-5hw7-8vg7 vulncheck.com: https://www.vulncheck.com/advisories/image-size-denial-of-service-via-infinite-loop-in-findbox-function

Credits

🔍 Alessio Della Libera (@dellalibera)