CVE-2026-33332
HighSummary
NiceGUI to framework UI oparty na Pythonie. W wersjach przed 3.9.0, metody app.add_media_file() i app.add_media_files() akceptują parametr zapytania kontrolowany przez użytkownika, który wpływa na sposób odczytu plików podczas strumieniowania, co może prowadzić do problemów z wydajnością.
Risk Assessment
Atakujący może wymusić na serwerze załadowanie całych plików do pamięci, co w przypadku dużych plików multimedialnych i równoczesnych żądań może prowadzić do nadmiernego zużycia pamięci oraz degradacji wydajności lub odmowy usługi.
Recommendation
Zaleca się aktualizację NiceGUI do wersji 3.9.0 lub nowszej, aby załatać tę podatność i zminimalizować ryzyko związane z nadmiernym zużyciem pamięci.
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Original NVD description (English source)
NiceGUI is a Python-based UI framework. Prior to version 3.9.0, NiceGUI's app.add_media_file() and app.add_media_files() media routes accept a user-controlled query parameter that influences how files are read during streaming. The parameter is passed to the range-response implementation without validation, allowing an attacker to bypass chunked streaming and force the server to load entire files into memory at once. With large media files and concurrent requests, this can lead to excessive memory consumption, degraded performance, or denial of service. This issue has been patched in version 3.9.0.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

