CVE-2026-21673 iccDEV has Integer Overflow/Underflow in CIccXmlArrayType::ParseTextCountNum()
Integer overflow in iccDEV library allows attackers to cause denial of service or execute code via malicious 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-2026-21673?
CVE-2026-21673 is a high-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 for working with ICC color management profiles. Versions 2.3.1 and below have overflows and underflows in CIccXmlArrayType::ParseTextCountNum(). This vulnerability affects users of the iccDEV library who process ICC color profiles. This issue is fixed in version 2.3.1.1.
Which versions are affected by CVE-2026-21673?
It affects 1 product.
Products include Color Iccdev.
How do I fix CVE-2026-21673?
No fix has been published for CVE-2026-21673 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21673 being exploited?
There is no known exploitation of CVE-2026-21673 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-g66g-f82c-vgm6.