CVE-2026-5445 (GCVE-0-2026-5445)

Vulnerability from cvelistv5 – Published: 2026-04-09 14:42 – Updated: 2026-04-14 16:34
VLAI
Title
Out-of-Bounds Read in DicomImageDecoder (DecodeLookupTable)
Summary
An out-of-bounds read vulnerability exists in the `DecodeLookupTable` function within `DicomImageDecoder.cpp`. The lookup-table decoding logic used for `PALETTE COLOR` images does not validate pixel indices against the lookup table size. Crafted images containing indices larger than the palette size cause the decoder to read beyond allocated lookup table memory and expose heap contents in the output image.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-14 15:08 UTC
CWE
Assigner
certcc CNA under the mitre root
CNA scorecard E 42/100 over 172 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Orthanc DICOM Server Affected: 0 , ≤ 1.12.10 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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