What is CVE-2026-34539?

CVE-2026-34539 is a medium-severity vulnerability in Internationalcolorconsortium Iccdev, classified under Heap-based Buffer Overflow. CVSS score: 6.2/10. Published 2026-03-31.

How severe is CVE-2026-34539?

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

Buffer overflow in Internationalcolorconsortium Iccdev

CVE-2026-34539

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile and TIFF input can trigger a heap-buffer-overflow (HBO) in CTiffImg::WriteLine(). The issue is obs…

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-122 — Heap-based Buffer Overflow

References

https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-4f3j-q8mm-5hr6 (x_refsource_CONFIRM)
https://github.com/InternationalColorConsortium/iccDEV/issues/672 (x_refsource_MISC)
https://github.com/InternationalColorConsortium/iccDEV/pull/686 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-34539?: CVE-2026-34539 is a medium-severity vulnerability in Internationalcolorconsortium Iccdev, classified under Heap-based Buffer Overflow. CVSS score: 6.2/10. Published 2026-03-31.
How severe is CVE-2026-34539?: Medium severity. CVSS v3 base score is 6.2 out of 10.