PT-2026-2088 · Iccdev · Iccdev

Xsscx · CVE-2026-21691 · Published 2026-01-07 · Updated 2026-01-07

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions iccDEV versions prior to 2.3.1.2

Description iccDEV is a set of libraries and tools for interacting with International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 contain a Type Confusion flaw in the CIccTag:IsTypeCompressed() function. This issue impacts users of the iccDEV library when processing ICC color profiles.

Recommendations Update to version 2.3.1.2 or later.

Exploit

Fix

NULL Pointer Dereference

Type Confusion

RCE

Weakness Enumeration

CWE-1025

CWE-476

CWE-843

CWE-697

CWE-140

CWE-20

Related Identifiers

CVE-2026-21691

GHSA-C9Q5-X498-JV92

Affected Products

Iccdev

References · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21691.json · Exploit
• https://github.com/InternationalColorConsortium/iccDEV/pull/426 · Patch
• https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-c9q5-x498-jv92 · Vendor Advisory
• https://github.com/InternationalColorConsortium/iccDEV/issues/392 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-21691 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21691 · Security Note
• https://twitter.com/CVEnew/status/2009032514590113842 · Twitter Post