Vulnerability · Published Jan 6, 2026 · Assigned by GitHub_M
CVE-2026-21677iccDEV has Undefined Behavior in CIccCLUT::Init()
High 8.8
In plain English
A high-severity improper input validation in iccDEV from InternationalColorConsortium. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 68.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| InternationalColorConsortium | iccDEV | < 2.3.1.1 |
Weakness: CWE-758, CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994 x_refsource_CONFIRM
- https://github.com/InternationalColorConsortium/iccDEV/issues/181 x_refsource_MISC
- https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22 x_refsource_MISC