How severe is CVE-2026-21507?

CVE-2026-21507 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-21507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21507?

CVE-2026-21507 affects Color Iccdev. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21507?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-21507 have an EU (EUVD) identifier?

Yes. CVE-2026-21507 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1147.

When was CVE-2026-21507 published?

CVE-2026-21507 was published on 2026-01-06 and last updated on 2026-06-17.

CVE-2026-21507

CVE-2026-21507 is a high-severity vulnerability in Color Iccdev with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1147
Weakness: CWE-835
Affected product: Color Iccdev
Published: 2026-01-06
Last modified: 2026-06-17

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have an infinite loop in the IccProfile.cpp function, CalcProfileID. This issue is fixed in version 2.3.1.1.

Frequently asked questions

What is CVE-2026-21507?: iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have an infinite loop in the IccProfile.cpp function, CalcProfileID. This issue is fixed in version 2.3.1.1.
How severe is CVE-2026-21507?: CVE-2026-21507 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-21507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21507?: CVE-2026-21507 affects Color Iccdev. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21507?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-21507 have an EU (EUVD) identifier?: Yes. CVE-2026-21507 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1147.
When was CVE-2026-21507 published?: CVE-2026-21507 was published on 2026-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:color:iccdev:*:*:*:*:*:*:*:*

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