Heap-based Buffer Overflow Affecting InternationalColorConsortium/DemoIccMAX package, versions [,2.3.1.2)
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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Start learning- Snyk IDSNYK-UNMANAGED-INTERNATIONALCOLORCONSORTIUMDEMOICCMAX-14898635
- published8 Jan 2026
- disclosed7 Jan 2026
- creditDavid Hoyt
Introduced: 7 Jan 2026
CVE-2026-21504 (opens in a new tab)How to fix?
Upgrade InternationalColorConsortium/DemoIccMAX to version 2.3.1.2 or higher.
Overview
Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the CIccMpeToneMap::Read function. An attacker can execute arbitrary code or cause a denial of service by providing specially crafted input that triggers improper memory handling.