What is CVE-2026-34556?

CVE-2026-34556 is a medium-severity vulnerability in Internationalcolorconsortium Iccdev, classified under Out-of-bounds Read. CVSS score: 6.2/10. Published 2026-03-31.

How severe is CVE-2026-34556?

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

Out-of-bounds Read in Internationalcolorconsortium Iccdev

CVE-2026-34556

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is a heap-buffer-overflow (HBO) in icAnsiToUtf8() in the XML conversion path. The issue is triggered by a crafted…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (4.1th percentile) — read the EPSS interpretation.

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.

Affected products

Internationalcolorconsortium Iccdev — versions < 2.3.1.6

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-p9wm-xfv4-43qg (x_refsource_CONFIRM)
https://github.com/InternationalColorConsortium/iccDEV/issues/734 (x_refsource_MISC)
https://github.com/InternationalColorConsortium/iccDEV/pull/740 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-34556?: CVE-2026-34556 is a medium-severity vulnerability in Internationalcolorconsortium Iccdev, classified under Out-of-bounds Read. CVSS score: 6.2/10. Published 2026-03-31.
How severe is CVE-2026-34556?: Medium severity. CVSS v3 base score is 6.2 out of 10.