Vulnerability · Published Jan 7, 2026 · Assigned by GitHub_M

CVE-2026-21679iccDEV has heap-buffer-overflow vulnerability in CIccLocalizedUnicode::GetText()

High 8.8

In plain English

A high-severity improper input validation in iccDEV from InternationalColorConsortium. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 67.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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 CIccLocalizedUnicode::GetText(). This issue has been patched in version 2.3.1.2.

Affected products (as reported)

VendorProductVersions
InternationalColorConsortium iccDEV < 2.3.1.2

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References