CVE-2026-21673: iccDEV has Integer Overflow/Underflow in CIccXmlArrayType::ParseTextCountNum()

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-06 · updated 2026-06-17
Weakness: CWE-190

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have overflows and underflows in CIccXmlArrayType::ParseTextCountNum(). This vulnerability affects users of the iccDEV library who process ICC color profiles. 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/32740802ee14418bd14c429d7e2f142d92cd5c4f
https://github.com/InternationalColorConsortium/iccDEV/issues/243
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-g66g-f82c-vgm6

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