Cyber Resilience

CVE-2023-39350

MediumPublic PoC

Published: 31 August 2023

Published
31 August 2023
Modified
03 November 2025
KEV Added
Patch
CVSS Score v3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0038 59.8th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-39350 is a medium-severity Wrap or Wraparound (CWE-191) vulnerability in Freerdp Freerdp. Its CVSS base score is 5.9 (Medium).

Operationally, ranked in the top 40.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_ASSERT` with default compilation flags). When an insufficient blockLen is…

more

provided, and proper length validation is not performed, an Integer Underflow occurs, leading to a Denial of Service (DOS) vulnerability. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

freerdp
freerdp
3.0.0 · ≤ 2.11.0
debian
debian linux
10.0
fedoraproject
fedora
37, 38, 39

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References