CVE-2026-34541 iccDEV: UB in CIccCombinedConnectionConditions::CIccCombinedConnectionConditions()

What is CVE-2026-34541?

CVE-2026-34541 is a medium-severity vulnerability in Color Iccdev, published on 31 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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) via a null-pointer member call in CIccCombinedConnectionConditions::CIccCombinedConnectionConditions() (reported by UBSan as “member call on null pointer of type CIccTagSpectralViewingConditions”). The issue is reachable when running iccApplyNamedCmm with -PCC using a malformed .icc profile. This issue has been patched in version 2.3.1.6.

Weakness: CWE-476

Which versions are affected by CVE-2026-34541?

It affects 1 product.

Products include Color Iccdev.

How do I fix CVE-2026-34541?

No fix has been published for CVE-2026-34541 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-34541 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34541 exists.

Other vulnerabilities in Color Iccdev

• CVE-2026-21675 iccDEV has a Use After Free vulnerability in CIccCmm class via improper hint manager object deletion Critical 9.8
• CVE-2026-24405 iccDEV has Heap Buffer Overflow in CIccMpeCalculator::Read() High 8.8
• CVE-2026-24406 iccDEV has Heap Buffer Overflow in CIccTagNamedColor2::SetSize() High 8.8
• CVE-2026-24412 iccDEV has Heap Buffer Overflow in icCurvesFromXml() High 8.8
• CVE-2026-22861 iccDEV has a heap-buffer-overflow in SIccCalcOp::Describe() at IccProfLib/IccMpeCalc.cpp High 8.8

All Color Iccdev vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9p35-7hp5-4hg4.