What’s Vulnerable › Vulnerabilities

CVE-2026-21491: iccDEV has unicode buffer overflow in CIccTagTextDescription

• 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-122

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 unicode buffer overflow in `CIccTagTextDescription`. Version 2.3.1.2 contains a patch. No known workarounds are available.

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/7c2cb719a9de1c00844e457e070d657314383ee3
• https://github.com/InternationalColorConsortium/iccDEV/commit/e91fe722ac54ce497d410153e7405090e0565d7b
• https://github.com/InternationalColorConsortium/iccDEV/issues/396
• https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-4pv4-4x2x-6j88

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