CVE-2026-21489: iccDEV has Out-of-bounds Read and Integer Underflow (Wrap or Wraparound)

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-06 · updated 2026-06-17
Weakness: CWE-125

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below have Out-of-bounds Read and Integer Underflow (Wrap or Wraparound) vulnerabilities in its CIccCalculatorFunc::SequenceNeedTempReset function. This issue is fixed in version 2.3.1.2.

Affected products

InternationalColorConsortium iccDEV: before 2.3.1.2 — fixed in 2.3.1.2

How to fix

Upgrade to a fixed version: InternationalColorConsortium iccDEV 2.3.1.2. Check the vendor advisory for mitigations.

References

https://github.com/InternationalColorConsortium/iccDEV/commit/cfabfe52c9c7eb0481b62c8aad56580bb11efdad
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-ph89-6q5h-wfw5

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