CVE-2026-21677: color iccdev Improper Input Validation
CVSS: 8.8v3.1HighAnalyzed
Published 06-01-2026Last modified 06-01-2026
Vulnerability summary
CVE-2026-21677 is a high (CVSS 8.8) Improper Input Validation vulnerability in color iccdev. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.37%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 06-01-2026PublishedVulnerability first disclosed.
- 06-01-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
+0.01 pp
From 0.36% on 21-09-2026
21-09-202621-10-2026
EPSS score0.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundIccdev
Maturity: poc
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-758Reliance on Undefined, Unspecified, or Implementation-Defined BehaviorThe product uses an API function, data structure, or other entity in a way that relies on properties that are not always guaranteed to hold for that entity.
Affected systems
2 vendors · 2 products
References
3 links- github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994X Refsource CONFIRMPatchVendor Advisory
- github.com/InternationalColorConsortium/iccDEV/issues/181X Refsource MISCExploitIssue TrackingVendor Advisory