CVE-2026-21678

iccDEV has heap-buffer-overflow vulnerability on IccTagXml()

7.8 High

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.20%Up 0.2 points since Jan 8, 2026

What each source reports

CVE List Score used 7.8

iccDEV has heap-buffer-overflow vulnerability on IccTagXml()

Record: CVE-2026-21678
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-20, CWE-122, CWE-125, CWE-787
Updated: 2026-11-02

EUVDEUVD-2026-1398 7.8

Record: EUVD-2026-1398
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

NVD 7.8

Record: CVE-2026-21678
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-20, CWE-122, CWE-125, CWE-787
Updated: 2026-11-02

OSV 7.8

iccDEV has heap-buffer-overflow vulnerability on IccTagXml()

Record: CVE-2026-21678
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-122, CWE-125, CWE-20, CWE-787
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-21678 is a high vulnerability (CVSS 7.8) in Color Iccdev, published January 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.