CVE-2026-34551: iccDEV: NPD in CIccTagLut16::Write()

Severity: medium (CVSS 5.5 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: 2026-03-31 · updated 2026-06-17
Weakness: CWE-476

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a null-pointer dereference (NPD) in CIccTagLut16::Write() can be triggered when processing a crafted ICC profile (embedded in a TIFF and extracted during iccTiffDump). This issue has been patched in version 2.3.1.6.

Affected products

InternationalColorConsortium iccDEV: before 2.3.1.6 — fixed in 2.3.1.6

How to fix

Upgrade to a fixed version: InternationalColorConsortium iccDEV 2.3.1.6. Check the vendor advisory for mitigations.

References

https://github.com/InternationalColorConsortium/iccDEV/issues/702
https://github.com/InternationalColorConsortium/iccDEV/pull/728
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-jmx9-9xmx-g57h
https://github.com/InternationalColorConsortium/iccDEV/issues/702

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