CVE-2026-21487: iccDEV has Out-of-bounds Read, Use of Out-of-range Pointer Offset and Improper Input Validation

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-06 · updated 2026-06-17
Weakness: CWE-20

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below have an Out-of-bounds Read, Use of Out-of-range Pointer Offset and have Improper Input Validation in its CIccProfile::LoadTag function. This issue is fixed in version 2.3.1.2.

Affected products

InternationalColorConsortium iccDEV: before 2.3.1.2 — fixed in 2.3.1.2

How to fix

Upgrade to a fixed version: InternationalColorConsortium iccDEV 2.3.1.2. Check the vendor advisory for mitigations.

References

https://github.com/InternationalColorConsortium/iccDEV/commit/1516e2cafc253bb06fd3700d589a4ed0f09f7bd6
https://github.com/InternationalColorConsortium/iccDEV/issues/340
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-xq7x-9524-f7cp

Get alerted when CVE-2026-21487 or the next vulnerability affects your stack