CVE-2026-21679: color iccdev Improper Input Validation
CVSS: 9.8v3.1CriticalAnalyzed
Published 07-01-2026Last modified 07-01-2026
Vulnerability summary
CVE-2026-21679 is a critical (CVSS 9.8) Improper Input Validation vulnerability in color iccdev. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 31.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.38%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 07-01-2026PublishedVulnerability first disclosed.
- 07-01-2026Last modifiedVulnerability information updated.
Description
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to heap-buffer-overflow in CIccLocalizedUnicode::GetText(). This issue has been patched in version 2.3.1.2.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 8.8–9.8
- CVE.orgCNA8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
+0.01 pp
From 0.38% on 21-09-2026
21-09-202621-10-2026
EPSS score0.38%
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-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
2 vendors · 2 products
References
4 links- github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-h4wg-473g-p5wcX Refsource CONFIRMThird Party Advisory