CVE-2026-34533

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger Undefined Behavior (UB) in CIccCalculatorFunc::ApplySequence() due to invalid enum values being loaded for icChannelFuncSignature. The issue is observable under UBSan as a “load of value … not a valid value for type icChannelFuncSignature”, indicating a type/enum value confusion scenario during ICC profile processing. This issue has been patched in version 2.3.1.6.

• CWE-758

• https://github.com/InternationalColorConsortium/iccDEV/issues/664Exploit, Issue Tracking
• https://github.com/InternationalColorConsortium/iccDEV/pull/681Issue Tracking, Patch
• https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-8jj3-77m7-c3pqPatch, Vendor Advisory

Published

Mar 31, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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