Reliance on Undefined, Unspecified, or Implementation-Defined Behavior Affecting InternationalColorConsortium/DemoIccMAX package, versions [,2.3.1.1)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-INTERNATIONALCOLORCONSORTIUMDEMOICCMAX-14931139
- published14 Jan 2026
- disclosed6 Jan 2026
- creditDavid Hoyt
Introduced: 6 Jan 2026
CVE-2026-21677 (opens in a new tab)How to fix?
Upgrade InternationalColorConsortium/DemoIccMAX to version 2.3.1.1 or higher.
Overview
Affected versions of this package are vulnerable to Reliance on Undefined, Unspecified, or Implementation-Defined Behavior via the Init function of the CIccCLUT class. An attacker can cause unexpected application behavior, including potential data corruption or execution of arbitrary code, by providing crafted input that triggers undefined behavior during the initialization and sizing of the CLUT.