CVE-2026-21677

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. 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
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Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Common Weakness Enumeration
References
https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22
https://github.com/InternationalColorConsortium/iccDEV/issues/181
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994
https://github.com/InternationalColorConsortium/iccDEV/issues/181