CVE-2026-34550: Color Iccdev

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is an Undefined Behavior (UB) condition in IccProfLib/IccIO.cpp caused by an implicit conversion from a negative signed integer to size_t (unsigned), which changes the value. This issue has been patched in version 2.3.1.6.

Affected products

• Color Iccdev: before 2.3.1.6 (fixed in 2.3.1.6)

Published 2026-03-31. Last modified 2026-06-17.