InternationalColorConsortium iccDEV 2.3.1.1 XML Calculator Macro Expansion stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in InternationalColorConsortium iccDEV. Affected by this issue is some unknown functionality of the component XML Calculator Macro Expansion. Executing a manipulation can lead to stack-based overflow. The identification of this vulnerability is CVE-2026-21500. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in InternationalColorConsortium iccDEV and classified as critical. This vulnerability affects an unknown function of the component XML Calculator Macro Expansion. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect 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 stack overflow in the XML calculator macro expansion. This issue has been patched in version 2.3.1.2.

The advisory is available at github.com. This vulnerability was named CVE-2026-21500 since 12/29/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 2.3.1.2 eliminates this vulnerability. Applying the patch cce5f9b68a6c067b7ef898ccd5b000770745fb14 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: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 5.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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: cce5f9b68a6c067b7ef898ccd5b000770745fb14

Timelineinfo

12/29/2025 CVE reserved
01/07/2026 +9 days Advisory disclosed
01/07/2026 +0 days VulDB entry created
01/09/2026 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 384
Status: Confirmed

CVE: CVE-2026-21500 (🔒)
GCVE (CVE): GCVE-0-2026-21500
GCVE (VulDB): GCVE-100-339934

Entryinfo

Created: 01/07/2026 22:21
Updated: 01/09/2026 23:23
Changes: 01/07/2026 22:21 (67), 01/09/2026 23:23 (11)
Complete: 🔍
Cache ID: 216::103

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