CVE-2022-39320
freerdp: heap buffer overflow in urbdrc channel
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 16, 2022
Updated · November 21, 2025
Description
An out-of-bounds read vulnerability exists due to a boundary condition within the urbdrc channel. Attempting an integer addition on narrow types leads to the allocation of a buffer too small to hold the data written. A malicious server can trick a FreeRDP based client to read out-of-bound data and send it back to the server.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 3.7CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L
CWE-125 · Out-of-bounds Read