CVE-2026-5445 — Out-of-Bounds Read in DicomImageDecoder (DecodeLookupTable)
An out-of-bounds read vulnerability exists in the `DecodeLookupTable` function within `DicomImageDecoder.cpp`. The lookup-table decoding logic used for `PALETTE COLOR` images do…
Published: 2026-04-09 · CVSS: 9.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7