CVE-2026-21674 iccDEV has a Memory Leak in its CIccProfileXml::ParseTag() Error Path
A memory leak in iccDEV's XML parsing error path allows attackers to cause resource exhaustion and denial of service.
- 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-2026-21674?
CVE-2026-21674 is a low-severity denial of service 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 contain a memory leak vulnerability in its XML MPE Parsing Path (iccFromXml). This issue is fixed in version 2.3.1.1.
Weakness: CWE-401
Which versions are affected by CVE-2026-21674?
It affects 1 product.
Products include Color Iccdev.
How do I fix CVE-2026-21674?
No fix has been published for CVE-2026-21674 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-21674 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21674 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-xww6-v3vg-4qc7.