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Advisories

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

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severity
high
date
Affecting

  • image-size 1.1.0 <= 1.2.1

  • image-size 2.0.0 <= 2.0.2

CWE
  • CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
CVSS
8.7
CVSS V4 Vector
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
Credit
Joshua Rogers (@MegaManSec)
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 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.

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