CVE-2026-22859
5.6
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, the URBDRC client does not perform bounds checking on server‑supplied MSUSB_INTERFACE_DESCRIPTOR values and uses them as indices in libusb_udev_complete_msconfig_setup, causing an out‑of‑bounds read. This vulnerability is fixed in 3.20.1.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| FreeRDP | FreeRDP | < 3.20.1 | affected |
Weaknesses
- CWE-125: CWE-125: Out-of-bounds Read
- CWE-129: CWE-129: Improper Validation of Array Index
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
freerdp: FreeRDP heap-buffer-overflow
Additional References
- https://access.redhat.com/security/cve/CVE-2026-22859
- https://bugzilla.redhat.com/show_bug.cgi?id=2429653
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22859.json
- https://access.redhat.com/errata/RHSA-2026:4471
- https://access.redhat.com/errata/RHSA-2026:4121
- https://access.redhat.com/errata/RHSA-2026:3068
- https://access.redhat.com/errata/RHSA-2026:19033
- https://access.redhat.com/errata/RHSA-2026:3334
- https://access.redhat.com/errata/RHSA-2026:4433
- https://access.redhat.com/errata/RHSA-2026:4439
- https://access.redhat.com/errata/RHSA-2026:4446
- https://access.redhat.com/errata/RHSA-2026:4440
- https://access.redhat.com/errata/RHSA-2026:4489
- https://access.redhat.com/errata/RHSA-2026:4437
- https://access.redhat.com/errata/RHSA-2026:4438
- https://access.redhat.com/errata/RHSA-2026:3975
- https://access.redhat.com/errata/RHSA-2026:3067
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-56f5-76qv-2r36
- https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1
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