What is CVE-2026-34550?

CVE-2026-34550 is a medium-severity vulnerability in Color Iccdev, classified under Incorrect Conversion between Numeric Types. CVSS score: 6.2/10. Published 2026-03-31.

How severe is CVE-2026-34550?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in Color Iccdev

CVE-2026-34550

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is an Undefined Behavior (UB) condition in IccProfLib/IccIO.cpp caused by an implicit conversion from a negative signed integer to size_t (unsigned), which changes the value. This issue has been patched in version 2.3.1.6.

Published 2026-03-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Color Iccdev
Internationalcolorconsortium Iccdev — versions < 2.3.1.6

Weakness classification (CWE)

CWE-681 — Incorrect Conversion between Numeric Types

References

github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-rmxp-px… (Patch, Vendor Advisory)
github.com/InternationalColorConsortium/iccDEV/issues/718 (Exploit, Issue Tracking)
github.com/InternationalColorConsortium/iccDEV/pull/727 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-34550?: CVE-2026-34550 is a medium-severity vulnerability in Color Iccdev, classified under Incorrect Conversion between Numeric Types. CVSS score: 6.2/10. Published 2026-03-31.
How severe is CVE-2026-34550?: Medium severity. CVSS v3 base score is 6.2 out of 10.