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…
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.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- FreeRDP
- Product
- FreeRDP
- CVSS v3.1
- 6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness
- CWE-400
- Exposure class
- Remote access
- NVD status
- Analyzed
Why it ranks 36 (Notable)
- CVSS v3.1 6.5 medium
- Exposed product class: remote access
- Widely deployed vendor product (FreeRDP)
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- Vendor advisory (github.com)
- CVE-2026-121404 on this site · NVD · CVE.org · Vulnpedia
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