CVE-2023-39350
Incorrect offset calculation leading to denial of service in FreeRDP
HIGH 7.5EPSS 1.6%
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 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.
- Affected
- FreeRDP
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v3.1 GITHUB
- 5.9 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 1.64% chance of exploitation in the next 30 days, 76th percentile
- Published
- 2023-08-31
- Updated
- 2025-11-03
Proof-of-concept exploits (1)
Security advisories
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
- https://security.gentoo.org/glsa/202401-16
- FreeRDP/FreeRDP/commit/e204fc8be5a372626b13f66daf2abafe71dbc2dc