CVE-2026-21676

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have a Heap-based Buffer Overflow in its CIccMBB::Validate function which checks tag data validity. This issue is fixed in version 2.3.1.1.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
GitHub_MCNA
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Common Weakness Enumeration
References
https://github.com/InternationalColorConsortium/iccDEV/commit/e4c38a67d06073b38d58580b0cfc78ca61005f84
https://github.com/InternationalColorConsortium/iccDEV/issues/215
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-j5vv-p2hv-c392