How severe is CVE-2026-21679?

CVE-2026-21679 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21679 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21679?

CVE-2026-21679 affects Color Iccdev. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21679?

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-2026-21679 have an EU (EUVD) identifier?

Yes. CVE-2026-21679 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1403.

When was CVE-2026-21679 published?

CVE-2026-21679 was published on 2026-01-07 and last updated on 2026-06-17.

CVE-2026-21679

CVE-2026-21679 is a high-severity vulnerability in Color Iccdev with a CVSS 3.x base score of 8.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1403
Weakness: CWE-787
Affected product: Color Iccdev
Published: 2026-01-07
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-21679?: 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.
How severe is CVE-2026-21679?: CVE-2026-21679 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-21679 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21679?: CVE-2026-21679 affects Color Iccdev. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21679?: 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-2026-21679 have an EU (EUVD) identifier?: Yes. CVE-2026-21679 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1403.
When was CVE-2026-21679 published?: CVE-2026-21679 was published on 2026-01-07 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Color Iccdev

CVE-2026-21675 — Critical (CVSS 9.8): iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below…
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