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Vulnerability · Published Jan 6, 2026 · Assigned by GitHub_M

CVE-2026-21490iccDEV has heap buffer overflow in CIccTagLut16::Validate()

Medium 6.1

In plain English

A medium-severity heap buffer overflow in iccDEV from InternationalColorConsortium. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.2%top 87.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. A vulnerability present in versions prior to 2.3.1.2 affects users of the iccDEV library who process ICC color profiles. It results in heap buffer overflow in `CIccTagLut16::Validate()`. Version 2.3.1.2 contains a patch. No known workarounds are available.

Affected products (as reported)

VendorProductVersions
InternationalColorConsortium iccDEV < 2.3.1.2

Weakness: CWE-122, CWE-125, CWE-193 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References