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CVE-2026-5445

9.1 critical SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 9.1 · orthanc-serverNVD modified 2026-10-26 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:orthanc-server:orthanc:*:*:*:*:*:*:*:*

References 3