CVE-2026-21678

Color Iccdev buffer overflow

7.8 HIGHPublic exploitEPSS 0.20%

Published7 Jan 2026

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 vulnerability in IccTagXml(). This issue has been patched in version 2.3.1.2.

CVSS 3.1 breakdown

Attack vectorLocal

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Color Iccdev< 2.3.1.2

Remediation

Fixed in

Color Iccdev≥ 2.3.1.2

Patch & vendor advisories

https://github.com/InternationalColorConsortium/iccDEV/commit/c6c0f1cf45b48db94266132ccda5280a1a33569d

References

https://github.com/InternationalColorConsortium/iccDEV/commit/c6c0f1cf45b48db94266132ccda5280a1a33569dPatch
https://github.com/InternationalColorConsortium/iccDEV/issues/55ExploitIssue Tracking
https://github.com/InternationalColorConsortium/iccDEV/pull/219Issue Tracking
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-9rp2-4c6g-hppfThird Party Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2026-21678 being actively exploited?

CVE-2026-21678 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.20%.

How severe is CVE-2026-21678?

CVE-2026-21678 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 0.20% probability of exploitation.

Which products are affected by CVE-2026-21678?

Affected products include Color Iccdev.

How do I fix CVE-2026-21678?

Upgrade affected software to a fixed version, for example Color Iccdev 2.3.1.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-21678 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.