CVE-2026-21500: color iccdev Improper Input Validation
CVSS: 7.8v3.1HighAnalyzed
Published 07-01-2026Last modified 07-01-2026
Vulnerability summary
CVE-2026-21500 is a high (CVSS 7.8) Improper Input Validation vulnerability in color iccdev. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.22%
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 stack overflow in the XML calculator macro expansion. This issue has been patched in version 2.3.1.2.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSources2 sources · 5.5–7.8
- CVE.orgCNA5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
+0.01 pp
From 0.22% on 21-09-2026
21-09-202621-10-2026
EPSS score0.22%
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-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
- CWE-674Uncontrolled RecursionThe product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.
- CWE-1119Excessive Use of Unconditional BranchingThe code uses too many unconditional branches (such as "goto").
- 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
5 links- github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-4h4j-mm9w-2cp4X Refsource CONFIRMThird Party Advisory