InternationalColorConsortium iccDEV 2.3.1.1 ToneMap Parser heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in InternationalColorConsortium iccDEV and classified as critical. Impacted is an unknown function of the component ToneMap Parser. Such manipulation leads to heap-based overflow. This vulnerability is listed as CVE-2026-21504. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in InternationalColorConsortium iccDEV. It has been rated as critical. Affected by this issue is an unknown code of the component ToneMap Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is 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 in the ToneMap parser. This issue has been patched in version 2.3.1.2.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-21504 since 12/29/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for 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 14fe3785e6b1f9992375b2a24617a0d7f6a70f95 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 6.6
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 14fe3785e6b1f9992375b2a24617a0d7f6a70f95

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: 366
Status: Confirmed

CVE: CVE-2026-21504 (🔒)
GCVE (CVE): GCVE-0-2026-21504
GCVE (VulDB): GCVE-100-339938

Entryinfo

Created: 01/07/2026 22:21
Updated: 01/09/2026 23:50
Changes: 01/07/2026 22:21 (67), 01/09/2026 23:50 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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