Summary
Ein entfernter Angreifer kann mehrere Schwachstellen in FreeRDP ausnutzen,um möglicherweise einen Denial-of-Service-Zustand zu verursachen, beliebigen Code auszuführen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.
Product
FreeRDP ist eine freie Implementierung des Remote Desktop Protocol (RDP).
Vulnerabilities 9
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Medium 6.9
FreeRDP RDPGFX ResetGraphics race leads to use-after-free in SDL client (sdl->primary)
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race condition between the RDPGFX dynamic virtual channel thread and the SDL render thread leads to a heap use-after-free. Specifically, an escaped pointer to sdl->primary (SD…
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Medium 6.8
FreeRDP has a heap-buffer-overflow in audin_process_formats
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client when processing Audio Input (AUDIN) format lists. audin_process_formats reuses callback->fo…
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Medium 6.8
FreeRDP has a heap-buffer-overflow in ndr_read_uint8Array
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, RDPEAR’s NDR array reader does not perform bounds checking on the on‑wire element count and can write past the heap buffer allocated from hints, causing a heap buffer overflow i…
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Medium 6.8
FreeRDP has a heap-buffer-overflow in drive_process_irp_read
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap-buffer-overflow occurs in drive read when a server-controlled read length is used to read file data into an IRP output stream buffer without a hard upper bound, allowing …
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Medium 6.8
FreeRDP has a heap-use-after-free in create_irp_thread
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability…
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Medium 6.8
FreeRDP has a heap-use-after-free in irp_thread_func
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap use-after-free occurs in irp_thread_func because the IRP is freed by irp->Complete() and then accessed again on the error path. This vulnerability is fixed in 3.20.1.
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Medium 5.6
FreeRDP has a heap-buffer-overflow in smartcard_unpack_set_attrib_call
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when cbAttrLen does not match the actual NDR buffer length. This vulnerability is fixed in 3.20.1.
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Medium 5.6
FreeRDP has a global-buffer-overflow in crypto_base64_decode
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is …
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Medium 5.6
FreeRDP has a heap-buffer-overflow in urb_select_configuration
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 …
Revision history
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#25
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References
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FreeRDP Releasenotes vom 2026-01-13
https://www.freerdp.com/2026/01/14/3_20_1-release
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PoC CVE-2026-22851 vom 2026-01-13
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8g87-6pvc-wh99
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PoC CVE-2026-22858 vom 2026-01-13
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qmqf-m84q-x896
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PoC CVE-2026-22852 vom 2026-01-13
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9chc-g79v-4qq4
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PoC CVE-2026-22853 vom 2026-01-13
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-47v9-p4gp-w5ch
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PoC CVE-2026-22854 vom 2026-01-13
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-47vj-g3c3-3rmf
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PoC CVE-2026-22855 vom 2026-01-13
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rwp3-g84r-6mx9
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PoC CVE-2026-22856 vom 2026-01-13
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-w842-c386-fxhv
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PoC CVE-2026-22857 vom 2026-01-13
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4gxq-jhq6-4cr8
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PoC CVE-2026-22859 vom 2026-01-13
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-56f5-76qv-2r36
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openSUSE Security Update OPENSUSE-SU-2026:10059-1 vom 2026-01-18
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/F2VLQU7USVAQ733RYB7II6KGZB3FG2KW/
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SUSE Security Update SUSE-SU-2026:0345-1 vom 2026-01-30
https://lists.suse.com/pipermail/sle-security-updates/2026-January/023993.html
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SUSE Security Update SUSE-SU-2026:0421-1 vom 2026-02-10
https://lists.suse.com/pipermail/sle-security-updates/2026-February/024089.html
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SUSE Security Update SUSE-SU-2026:0417-1 vom 2026-02-10
https://lists.suse.com/pipermail/sle-security-updates/2026-February/024093.html
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SUSE Security Update SUSE-SU-2026:0449-1 vom 2026-02-11
https://lists.suse.com/pipermail/sle-security-updates/2026-February/024126.html
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SUSE Security Update SUSE-SU-2026:0559-1 vom 2026-02-16
https://lists.suse.com/pipermail/sle-security-updates/2026-February/024272.html
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Amazon Linux Security Advisory ALAS2-2026-3166 vom 2026-02-19
https://alas.aws.amazon.com/AL2/ALAS2-2026-3166.html
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Red Hat Security Advisory RHSA-2026:3067 vom 2026-02-23
https://access.redhat.com/errata/RHSA-2026:3067
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Red Hat Security Advisory RHSA-2026:3068 vom 2026-02-23
https://access.redhat.com/errata/RHSA-2026:3068
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Oracle Linux Security Advisory ELSA-2026-3068 vom 2026-02-24
http://linux.oracle.com/errata/ELSA-2026-3068.html
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Oracle Linux Security Advisory ELSA-2026-3067 vom 2026-02-24
http://linux.oracle.com/errata/ELSA-2026-3067.html
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Rocky Linux Security Advisory RLSA-2026:3067 vom 2026-02-24
https://errata.build.resf.org/RLSA-2026:3067
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Rocky Linux Security Advisory RLSA-2026:3068 vom 2026-02-24
https://errata.build.resf.org/RLSA-2026:3068
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Red Hat Security Advisory RHSA-2026:3334 vom 2026-02-25
https://access.redhat.com/errata/RHSA-2026:3334
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Oracle Linux Security Advisory ELSA-2026-3334 vom 2026-02-26
https://linux.oracle.com/errata/ELSA-2026-3334.html
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Rocky Linux Security Advisory RLSA-2026:3334 vom 2026-02-26
https://errata.build.resf.org/RLSA-2026:3334
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SUSE Security Update SUSE-SU-2026:0656-1 vom 2026-02-27
https://lists.suse.com/pipermail/sle-security-updates/2026-February/024454.html
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SUSE Security Update SUSE-SU-2026:0683-1 vom 2026-02-28
https://lists.suse.com/pipermail/sle-security-updates/2026-February/024493.html
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SUSE Security Update SUSE-SU-2026:0761-1 vom 2026-03-03
https://lists.suse.com/pipermail/sle-security-updates/2026-March/024555.html
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SUSE Security Update SUSE-SU-2026:0762-1 vom 2026-03-03
https://lists.suse.com/pipermail/sle-security-updates/2026-March/024554.html
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Red Hat Security Advisory RHSA-2026:3975 vom 2026-03-09
https://access.redhat.com/errata/RHSA-2026:3975
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Red Hat Security Advisory RHSA-2026:4121 vom 2026-03-09
https://access.redhat.com/errata/RHSA-2026:4121
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Red Hat Security Advisory RHSA-2026:4440 vom 2026-03-12
https://access.redhat.com/errata/RHSA-2026:4440
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Red Hat Security Advisory RHSA-2026:4437 vom 2026-03-12
https://access.redhat.com/errata/RHSA-2026:4437
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Red Hat Security Advisory RHSA-2026:4433 vom 2026-03-12
https://access.redhat.com/errata/RHSA-2026:4433
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Red Hat Security Advisory RHSA-2026:4446 vom 2026-03-12
https://access.redhat.com/errata/RHSA-2026:4446
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Red Hat Security Advisory RHSA-2026:4438 vom 2026-03-12
https://access.redhat.com/errata/RHSA-2026:4438
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openSUSE Security Update OPENSUSE-SU-2026:20339-1 vom 2026-03-11
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/BXWDT2NJCKXIEJIDNY6MWR5WIFECK6OH/
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Red Hat Security Advisory RHSA-2026:4439 vom 2026-03-12
https://access.redhat.com/errata/RHSA-2026:4439
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Red Hat Security Advisory RHSA-2026:4489 vom 2026-03-12
https://access.redhat.com/errata/RHSA-2026:4489
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Red Hat Security Advisory RHSA-2026:4471 vom 2026-03-12
https://access.redhat.com/errata/RHSA-2026:4471
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Ubuntu Security Notice USN-8105-1 vom 2026-03-18
https://ubuntu.com/security/notices/USN-8105-1
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Ubuntu Security Notice USN-8105-2 vom 2026-03-19
https://ubuntu.com/security/notices/USN-8105-2
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Oracle Linux Security Advisory ELSA-2026-4471 vom 2026-03-27
https://linux.oracle.com/errata/ELSA-2026-4471.html
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Red Hat Security Advisory RHSA-2026:6340 vom 2026-04-01
https://access.redhat.com/errata/RHSA-2026:6340
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Oracle Linux Security Advisory ELSA-2026-6340 vom 2026-04-01
http://linux.oracle.com/errata/ELSA-2026-6340.html
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openSUSE Security Update OPENSUSE-SU-2026:10459-1 vom 2026-04-01
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/34ABPSLQFVRGFKDSR5ZEDKG5UH6KIBCA/
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Red Hat Security Advisory RHSA-2026:6727 vom 2026-04-07
https://access.redhat.com/errata/RHSA-2026:6727
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Red Hat Security Advisory RHSA-2026:6743 vom 2026-04-07
https://access.redhat.com/errata/RHSA-2026:6743
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Red Hat Security Advisory RHSA-2026:6958 vom 2026-04-08
https://access.redhat.com/errata/RHSA-2026:6958
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Red Hat Security Advisory RHSA-2026:6918 vom 2026-04-08
https://access.redhat.com/errata/RHSA-2026:6918
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Oracle Linux Security Advisory ELSA-2026-6799 vom 2026-04-08
https://linux.oracle.com/errata/ELSA-2026-6799.html
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Red Hat Security Advisory RHSA-2026:6799 vom 2026-04-07
https://access.redhat.com/errata/RHSA-2026:6799
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Rocky Linux Security Advisory RLSA-2026:6340 vom 2026-04-07
https://errata.build.resf.org/RLSA-2026:6340
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Oracle Linux Security Advisory ELSA-2026-6918 vom 2026-04-08
https://linux.oracle.com/errata/ELSA-2026-6918.html
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Rocky Linux Security Advisory RLSA-2026:6918 vom 2026-04-09
https://errata.build.resf.org/RLSA-2026:6918
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Rocky Linux Security Advisory RLSA-2026:6799 vom 2026-04-09
https://errata.build.resf.org/RLSA-2026:6799
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Red Hat Security Advisory RHSA-2026:9641 vom 2026-04-22
https://access.redhat.com/errata/RHSA-2026:9641
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Red Hat Security Advisory RHSA-2026:9640 vom 2026-04-22
https://access.redhat.com/errata/RHSA-2026:9640
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Red Hat Security Advisory RHSA-2026:10076 vom 2026-04-23
https://access.redhat.com/errata/RHSA-2026:10076
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Red Hat Security Advisory RHSA-2026:10734 vom 2026-04-27
https://access.redhat.com/errata/RHSA-2026:10734
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Red Hat Security Advisory RHSA-2026:10735 vom 2026-04-27
https://access.redhat.com/errata/RHSA-2026:10735
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Red Hat Security Advisory RHSA-2026:11323 vom 2026-04-28
https://access.redhat.com/errata/RHSA-2026:11323
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Red Hat Security Advisory RHSA-2026:10951 vom 2026-04-27
https://access.redhat.com/errata/RHSA-2026:10951
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Oracle Linux Security Advisory ELSA-2026-20546 vom 2026-07-01
https://linux.oracle.com/errata/ELSA-2026-20546.html
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Red Hat Security Advisory RHSA-2026:19033 vom 2026-05-19
https://access.redhat.com/errata/RHSA-2026:19033
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Oracle Linux Security Advisory ELSA-2026-7292 vom 2026-05-29
http://linux.oracle.com/errata/ELSA-2026-7292.html
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Oracle Linux Security Advisory ELSA-2026-11323 vom 2026-06-10
https://linux.oracle.com/errata/ELSA-2026-11323.html
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Fedora Security Advisory FEDORA-2026-1C0DEDA1E7 vom 2026-09-01
https://bodhi.fedoraproject.org/updates/FEDORA-2026-1c0deda1e7
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Oracle Linux Security Advisory ELSA-2026-68707 vom 2026-09-29
https://linux.oracle.com/errata/ELSA-2026-68707.html