CVE-2026-21496 NULL Pointer Dereference in iccDEV Signature Parser
A NULL pointer dereference in the iccDEV signature parser allows attackers to cause a denial of service via crafted ICC 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-2026-21496?
CVE-2026-21496 is a medium-severity vulnerability in Color Iccdev, published on 7 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 ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the signature parser. This issue has been patched in version 2.3.1.2.
Which versions are affected by CVE-2026-21496?
It affects 1 product.
Products include Color Iccdev.
How do I fix CVE-2026-21496?
No fix has been published for CVE-2026-21496 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21496 being exploited?
There is no known exploitation of CVE-2026-21496 in the wild and no public exploit code.
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-wj8m-6w77-r4rw.