What is CVE-2026-5441?

CVE-2026-5441 is a high-severity vulnerability in Orthanc Dicom Server, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2026-04-09.

How severe is CVE-2026-5441?

High severity. CVSS v3 base score is 7.1 out of 10.

Out-of-bounds Read in Orthanc Dicom Server

CVE-2026-5441

An out-of-bounds read vulnerability exists in the `DecodePsmctRle1` function of `DicomImageDecoder.cpp`. The `PMSCT_RLE1` decompression routine, which decodes the proprietary Philips Compression format, does not properly validate escape ma…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (3.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

Affected products

Orthanc Dicom Server — versions 0
Orthanc-server Orthanc

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cret@cert.org (Product)
cret@cert.org (Not Applicable)
cret@cert.org (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2026-5441?: CVE-2026-5441 is a high-severity vulnerability in Orthanc Dicom Server, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2026-04-09.
How severe is CVE-2026-5441?: High severity. CVSS v3 base score is 7.1 out of 10.