Vulnerability intelligence

CVE-2026-5445

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.

CVSS Score

—

Unrated

EPSS — Exploit Probability

0.7%

Riskier than 48% of all CVEs

Exploitation

Not in CISA KEV

No federal exploitation record

Remediation

unknown

Check vendor advisories

NVD entry PoC / advisory

1 article across 1 outlet · first covered Apr 10, 2026 · latest Apr 10, 2026

Coverage timeline

Nine Orthanc DICOM bugs risk
www.securityweek.com · Apr 10, 2026