7.1
CVE-2026-91961
- EPSS 0.35%
- Veröffentlicht 15.09.2026 15:18:15
- Zuletzt bearbeitet 23.09.2026 20:02:24
- Erkennungen
FreeRDP before 3.31.0 Denial of Service via URBDRC
FreeRDP before 3.31.0 contains a denial-of-service vulnerability in the URBDRC control-transfer request path that fails to validate OutputBufferSize before forwarding to the libusb backend. A malicious RDP server can send a control-transfer request with OutputBufferSize set to 65536, triggering a reachable assertion that terminates the client process.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.35% | 0.28 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| disclosure@vulncheck.com | 7.1 | 0 | 0 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
|
| disclosure@vulncheck.com | 6.5 | 2.8 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
|
CWE-617 Reachable Assertion
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-w9qg-g24r-77f6
https://www.vulncheck.com/advisories/freerdp-before-3.31.0-denial-of-service-via-urbdrc