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CVE-2026-121404FreeRDP before 3.32.2 Shadow Server CPU Exhaustion via Zero-Length DVC DATA

FreeRDP FreeRDP Veröffentlicht: (vor 8 Tagen)

Beschreibung

FreeRDP before 3.32.2 contains a denial of service vulnerability in the shadow server that allows authenticated RDP clients to spin server threads by sending zero-length drdynvc DATA PDUs. Attackers can send empty DATA messages on opened audin or rdpgfx channels, so that FreeRDP_WTSVirtualChannelRead never consumes them, consuming full CPU cores until disconnect.

Schwachstellentyp (CWE): CWE-400

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
FreeRDP FreeRDP < 3.32.2, fixed 3.32.2

Ubuntu-Korrekturen

  • USN-9007-1 FreeRDP vulnerabilities Ubuntu 26.10, 26.04, 24.04 · 09.11.2026 · freerdp3

Referenzen und Patches

CPE-Treffer (NVD) (1)
  • cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* < 3.32.2

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