High 7.5Published Jun 10, 2026

CVE-2025-71329image-size 2.0.2 Denial of Service via Infinite Loop in JXL/HEIF Parser

Updated under an hour ago (Oct 28, 2026, 5:00 AM ET)

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Every CVE for image-size

Exploited in the last 30 days

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 image buffer with a zero-valued size field in a recognized box-type. Attackers can trigger an infinite loop in the JXL or HEIF image parsers by providing a crafted image containing a box with a size of zero, causing the offset to never advance and permanently hanging the application.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-835
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

image-size image-size image_size:image_size (from the name)	from 1.1.0 through 1.2.1; from 2.0.0 through 2.0.2	CNA record
image-size image-size image-size:image-size	from 1.1.0 through 1.2.1; from 2.0.0 through 2.0.2	NVD

References

References

https://joshua.hu/image-size-infinite-loop-dos-vulnerabilities	technical-description, exploit, third-party-advisory
https://web.archive.org/web/20260224152152/https://github.com/image-size/image-size/pull/439	issue-tracking, patch
https://www.vulncheck.com/advisories/image-size-denial-of-service-via-infinite-loop-in-jxl-heif-parser	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.