CVE-2026-3650
HighSummary
W bibliotece Grassroots DICOM (GDCM) występuje wyciek pamięci, który pojawia się podczas analizy źle sformatowanych plików DICOM z niestandardowymi typami VR w metadanych pliku. Ta podatność prowadzi do dużych alokacji pamięci i wyczerpania zasobów, co może wywołać stan odmowy usługi.
Risk Assessment
Organizacja może doświadczyć odmowy usługi z powodu wyczerpania zasobów systemowych, co może prowadzić do przestojów w działaniu aplikacji korzystających z tej biblioteki. Złośliwie skonstruowany plik może zapełnić pamięć w trakcie jednego odczytu, co zwiększa ryzyko ataku.
Recommendation
Zaleca się aktualizację biblioteki GDCM do najnowszej wersji, która zawiera poprawki dla tej podatności. Należy również wprowadzić mechanizmy weryfikacji plików DICOM przed ich przetwarzaniem, aby zminimalizować ryzyko wykorzystania tej luki.
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Original NVD description (English source)
A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing malformed DICOM files with non-standard VR types in file meta information. The vulnerability leads to vast memory allocations and resource depletion, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.

