CVE-2022-39318

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input validation in `urbdrc` channel. A malicious server can trick a FreeRDP based client to crash with division by zero. This issue has been addressed in version 2.9.0. All users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.

• CWE-20
• CWE-369
• CWE-369

• https://github.com/FreeRDP/FreeRDP/commit/80adde17ddc4b596ed1dae0922a0c54ab3d4b8eaPatch, Third Party Advisory
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-387j-8j96-7q35Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/11/msg00010.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDOTAOJBCZKREZJPT6VZ25GESI5T6RBG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGQN3OWQNHSMWKOF4D35PF5ASKNLC74B/
• https://security.gentoo.org/glsa/202401-16
• https://github.com/FreeRDP/FreeRDP/commit/80adde17ddc4b596ed1dae0922a0c54ab3d4b8eaPatch, Third Party Advisory
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-387j-8j96-7q35Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/11/msg00010.html
• https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDOTAOJBCZKREZJPT6VZ25GESI5T6RBG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGQN3OWQNHSMWKOF4D35PF5ASKNLC74B/
• https://security.gentoo.org/glsa/202401-16

Published

Nov 16, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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