CVE-2026-21492 iccDEV ToneMap Writer has NULL Pointer Member Call
A NULL pointer dereference in iccDEV allows attackers to cause a denial of service by processing malicious ICC color profiles.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-21492?
CVE-2026-21492 is a medium-severity vulnerability in Color Iccdev, published on 6 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a NULL pointer member call vulnerability. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.
Which versions are affected by CVE-2026-21492?
It affects 1 product.
Products include Color Iccdev.
How do I fix CVE-2026-21492?
No fix has been published for CVE-2026-21492 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21492 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21492 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
- CVE-2026-24405 iccDEV has Heap Buffer Overflow in CIccMpeCalculator::Read()
- CVE-2026-24406 iccDEV has Heap Buffer Overflow in CIccTagNamedColor2::SetSize()
- CVE-2026-24412 iccDEV has Heap Buffer Overflow in icCurvesFromXml()
- CVE-2026-22861 iccDEV has a heap-buffer-overflow in SIccCalcOp::Describe() at IccProfLib/IccMpeCalc.cpp
Sources
Also known as GHSA-xpq3-v3jj-mgvx.