github.com
https://github.com/InternationalColorConsortium/iccDEV/issues/721 CVE-2026-34549
MEDIUM
iccDEV: UB at IccUtil.cpp
Record summary
CVE-2026-34549 has a selected CVSS score of 6.2 (medium).
Description
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 IccUtil.cpp triggered by a crafted input profile. Under UndefinedBehaviorSanitizer, the issue is reported as invalid left shift operations on icUInt32Number (unsigned 32-bit) where the shifted value “cannot be represented” in that type. This issue has been patched in version 2.3.1.6.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationPoC
AutomatableNo
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Apr 3, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
| CVE List | < 2.3.1.6 | affected |
References
3github.com
https://github.com/InternationalColorConsortium/iccDEV/pull/726 github.comConfirmation
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-v7qh-f995-p2fq