CVE-2026-21673

iccDEV has Integer Overflow/Underflow in CIccXmlArrayType::ParseTextCountNum()

7.8 High

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have overflows and underflows in CIccXmlArrayType::ParseTextCountNum(). This vulnerability affects users of the iccDEV library who process ICC color profiles. This issue is fixed in version 2.3.1.1.

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 6, 2026

What each source reports

CVE List Score used 7.8

iccDEV has Integer Overflow/Underflow in CIccXmlArrayType::ParseTextCountNum()

Record: CVE-2026-21673
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-190, CWE-681, CWE-704
Updated: 2026-11-02

EUVDEUVD-2026-1148 7.8

Record: EUVD-2026-1148
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-2026-21673
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-190, CWE-681, CWE-704
Updated: 2026-11-02

OSV 7.8

iccDEV has Integer Overflow/Underflow in CIccXmlArrayType::ParseTextCountNum()

Record: CVE-2026-21673
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-190, CWE-681, CWE-704
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-2026-21673 is a high vulnerability (CVSS 7.8) in Color Iccdev, published January 6, 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.