Vulnerability · Published Jan 7, 2026 · Assigned by GitHub_M

CVE-2026-21504Heap Buffer Overflow in iccDEV ToneMap Parser

Medium 6.6

In plain English

A medium-severity heap buffer overflow in iccDEV from InternationalColorConsortium. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)0.2%top 87.6% 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 the ToneMap parser. This issue has been patched in version 2.3.1.2.

Affected products (as reported)

VendorProductVersions
InternationalColorConsortium iccDEV < 2.3.1.2

Weakness: CWE-122, CWE-193, CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

References