InternationalColorConsortium iccDEV 2.3.1.1 IccTagXml heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in InternationalColorConsortium iccDEV. This impacts the function IccTagXml. The manipulation results in heap-based overflow. This vulnerability is reported as CVE-2026-21678. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in InternationalColorConsortium iccDEV. Affected is the function IccTagXml. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-21678 since 01/02/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 2.3.1.2 eliminates this vulnerability. Applying the patch c6c0f1cf45b48db94266132ccda5280a1a33569d is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 7.8
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: iccDEV 2.3.1.2
Patch: c6c0f1cf45b48db94266132ccda5280a1a33569d

Timelineinfo

01/02/2026 CVE reserved
01/07/2026 +5 days Advisory disclosed
01/07/2026 +0 days VulDB entry created
01/15/2026 +8 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 55
Status: Confirmed

CVE: CVE-2026-21678 (🔒)
GCVE (CVE): GCVE-0-2026-21678
GCVE (VulDB): GCVE-100-339942

Entryinfo

Created: 01/07/2026 22:22
Updated: 01/15/2026 07:41
Changes: 01/07/2026 22:22 (67), 01/15/2026 07:41 (11)
Complete: 🔍
Cache ID: 216::103

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