CVE-2026-21677 is a high-severity vulnerability affecting iccDEV versions 2.3.1 and below, specifically within the CIccCLUT::Init function responsible for initializing and sizing color lookup tables. This flaw, categorized as Undefined Behavior (CWE-758) and Improper Input Validation (CWE-20), could allow an unauthenticated attacker to achieve high impact on confidentiality, integrity, and availability with low attack complexity, requiring user interaction. While the vulnerability has a CVSS score of 8.8, there is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog. The issue is resolved in iccDEV version 2.3.1.1.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.3.1.1CPE matchmatch criteria | cpe:2.3:a:color:iccdev:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.