CVE-2026-21507: iccDEV is Vulnerable to Denial of Service via Infinite Loop in CalcProfileID()

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-06 · updated 2026-06-17
Weakness: CWE-835

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have an infinite loop in the IccProfile.cpp function, CalcProfileID. This issue is fixed in version 2.3.1.1.

Affected products

InternationalColorConsortium iccDEV: before 2.3.1.1 — fixed in 2.3.1.1

How to fix

Upgrade to a fixed version: InternationalColorConsortium iccDEV 2.3.1.1. Check the vendor advisory for mitigations.

References

https://github.com/InternationalColorConsortium/iccDEV/commit/3f3ce789d0d2b608c194ed172fa38943519dc198
https://github.com/InternationalColorConsortium/iccDEV/issues/244
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-hgp5-r8m9-8qpj

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