What is CVE-2026-34548?

CVE-2026-34548 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-2026-34548?

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

Vulnerability in Color Iccdev

CVE-2026-34548

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 the XML conversion tooling path (iccToXml) caused by an implicit conversion from a negative signed integer to icUInt32Number (unsigned 32-bit), 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 2026-09-29.

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-prwp-9g… (Patch, Vendor Advisory)
github.com/InternationalColorConsortium/iccDEV/issues/722 (Exploit, Issue Tracking)
github.com/InternationalColorConsortium/iccDEV/pull/725 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-34548?: CVE-2026-34548 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-2026-34548?: Medium severity. CVSS v3 base score is 6.2 out of 10.