Summary
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in FreeRDP ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder möglicherweise beliebigen Code auszuführen.
Product
FreeRDP ist eine freie Implementierung des Remote Desktop Protocol (RDP).
Vulnerabilities 8
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High 7.7
FreeRDP has heap-buffer-overflow in planar_decompress_plane_rle
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0,`freerdp_bitmap_decompress_planar` does not validate `nSrcWidth`/`nSrcHeight` against `planar->maxWidth`/`maxHeight` before RLE decode. A malicious server can trigger a c…
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High 7.7
FreeRDP has heap-buffer-overflow in clear_decompress
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, in ClearCodec, when `glyphData` is present, `clear_decompress` calls `freerdp_image_copy_no_overlap` without validating the destination rectangle, allowing an out-of-bou…
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High 7.7
FreeRDP has heap-buffer-overflow in gdi_SurfaceToSurface
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the FreeRDP client’s `gdi_SurfaceToSurface` path due to a mismatch between destination rectangle clamping and the actual cop…
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High 7.7
FreeRDP has heap-buffer-overflow in clear_decompress_residual_data
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the RDPGFX ClearCodec decode path when maliciously crafted residual data causes out-of-bounds writes during color output. A …
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High 7.7
FreeRDP has heap-buffer-overflow in clear_decompress_bands_data
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the ClearCodec bands decode path when crafted band coordinates allow writes past the end of the destination surface buffer. …
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High 7.7
Heap-use-after-free in update_pointer_new
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, `xf_Pointer_New` frees `cursorPixels` on failure, then `pointer_free` calls `xf_Pointer_Free` and frees it again, triggering ASan UAF. A malicious server can trigger a c…
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High 7.7
Heap-use-after-free in gdi_set_bounds
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, offscreen bitmap deletion leaves `gdi->drawing` pointing to freed memory, causing UAF when related update packets arrive. A malicious server can trigger a client‑side us…
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Medium 5.5
FreeRDP has heap-buffer-overflow in Glyph_Alloc
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, FastGlyph parsing trusts `cbData`/remaining length and never validates against the minimum size implied by `cx/cy`. A malicious server can trigger a client‑side global b…
Revision history
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#40
Neue Updates von Oracle Linux aufgenommen
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#39
Neue Updates von Fedora aufgenommen
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#38
Neue Updates von SUSE aufgenommen
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#37
Neue Updates von Amazon aufgenommen
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#36
Referenz(en) aufgenommen: EUVD-2026-43005
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#35
Neue Updates von Oracle Linux aufgenommen
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#34
Neue Updates von Oracle Linux aufgenommen
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#33
Neue Updates von Red Hat aufgenommen
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#32
Neue Updates von Red Hat aufgenommen
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#31
Neue Updates von Red Hat aufgenommen
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#30
Neue Updates von Red Hat aufgenommen
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#29
Neue Updates von Red Hat aufgenommen
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#28
Neue Updates von Rocky Enterprise Software Foundation aufgenommen
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#27
Neue Updates von Rocky Enterprise Software Foundation aufgenommen
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#26
Neue Updates von Red Hat, Oracle Linux und Rocky Enterprise Software Foundation aufgenommen
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#25
Neue Updates von Red Hat aufgenommen
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#24
Neue Updates von openSUSE und Oracle Linux aufgenommen
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#23
Neue Updates von Red Hat aufgenommen
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#22
Neue Updates von Oracle Linux aufgenommen
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#21
Neue Updates von Ubuntu aufgenommen
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#20
Neue Updates von Ubuntu aufgenommen
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#19
Neue Updates von Oracle Linux aufgenommen
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#18
Neue Updates von openSUSE aufgenommen
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#17
Neue Updates von SUSE aufgenommen
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#16
Neue Updates von SUSE aufgenommen
References
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Release Notes vom 2026-01-19
https://www.freerdp.com/2026/01/19/3_21_0-release
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FreeRDP GitHub vom 2026-01-19
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-r4hv-852m-fq7p
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FreeRDP GitHub vom 2026-01-19
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-xj5h-9cr5-23c5
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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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Ubuntu Security Notice USN-8004-1 vom 2026-02-03
https://ubuntu.com/security/notices/USN-8004-1
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Red Hat Security Advisory RHSA-2026:2081 vom 2026-02-05
https://access.redhat.com/errata/RHSA-2026:2081
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Red Hat Security Advisory RHSA-2026:2048 vom 2026-02-05
https://access.redhat.com/errata/RHSA-2026:2048
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Oracle Linux Security Advisory ELSA-2026-2048 vom 2026-02-06
http://linux.oracle.com/errata/ELSA-2026-2048.html
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Oracle Linux Security Advisory ELSA-2026-2081 vom 2026-02-06
http://linux.oracle.com/errata/ELSA-2026-2081.html
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Rocky Linux Security Advisory RLSA-2026:2081 vom 2026-02-06
https://errata.build.resf.org/RLSA-2026:2081
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Red Hat Security Advisory RHSA-2026:2222 vom 2026-02-09
https://access.redhat.com/errata/RHSA-2026:2222
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Rocky Linux Security Advisory RLSA-2026:2048 vom 2026-02-07
https://errata.build.resf.org/RLSA-2026:2048
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Ubuntu Security Notice USN-8004-2 vom 2026-02-09
https://ubuntu.com/security/notices/USN-8004-2
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Oracle Linux Security Advisory ELSA-2026-2222 vom 2026-02-10
http://linux.oracle.com/errata/ELSA-2026-2222.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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Rocky Linux Security Advisory RLSA-2026:2222 vom 2026-02-11
https://errata.build.resf.org/RLSA-2026:2222
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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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Red Hat Security Advisory RHSA-2026:2714 vom 2026-02-16
https://access.redhat.com/errata/RHSA-2026:2714
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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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Red Hat Security Advisory RHSA-2026:2736 vom 2026-02-16
https://access.redhat.com/errata/RHSA-2026:2736
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Red Hat Security Advisory RHSA-2026:2770 vom 2026-02-17
https://access.redhat.com/errata/RHSA-2026:2770
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Red Hat Security Advisory RHSA-2026:2824 vom 2026-02-17
https://access.redhat.com/errata/RHSA-2026:2824
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Red Hat Security Advisory RHSA-2026:2952 vom 2026-02-18
https://access.redhat.com/errata/RHSA-2026:2952
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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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Amazon Linux Security Advisory ALAS2-2026-3162 vom 2026-02-19
https://alas.aws.amazon.com/AL2/ALAS2-2026-3162.html
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Red Hat Security Advisory RHSA-2026:3041 vom 2026-02-23
https://access.redhat.com/errata/RHSA-2026:3041
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Red Hat Security Advisory RHSA-2026:3039 vom 2026-02-23
https://access.redhat.com/errata/RHSA-2026:3039
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Red Hat Security Advisory RHSA-2026:3038 vom 2026-02-23
https://access.redhat.com/errata/RHSA-2026:3038
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Red Hat Security Advisory RHSA-2026:3036 vom 2026-02-23
https://access.redhat.com/errata/RHSA-2026:3036
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Red Hat Security Advisory RHSA-2026:3037 vom 2026-02-23
https://access.redhat.com/errata/RHSA-2026:3037
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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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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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Oracle Linux Security Advisory ELSA-2026-2714 vom 2026-03-16
https://linux.oracle.com/errata/ELSA-2026-2714.html
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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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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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Oracle Linux Security Advisory ELSA-2026-6340 vom 2026-04-01
http://linux.oracle.com/errata/ELSA-2026-6340.html
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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-2026:6727 vom 2026-04-07
https://access.redhat.com/errata/RHSA-2026:6727
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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-2026-6918 vom 2026-04-08
https://linux.oracle.com/errata/ELSA-2026-6918.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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Red Hat Security Advisory RHSA-2026:6958 vom 2026-04-08
https://access.redhat.com/errata/RHSA-2026:6958
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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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Rocky Linux Security Advisory RLSA-2026:6340 vom 2026-04-07
https://errata.build.resf.org/RLSA-2026:6340
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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-2026:9640 vom 2026-04-22
https://access.redhat.com/errata/RHSA-2026:9640
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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-2026:10076 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-2026-11323 vom 2026-06-10
https://linux.oracle.com/errata/ELSA-2026-11323.html
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Amazon Linux Security Advisory ALAS2-2026-3840 vom 2026-08-05
https://alas.aws.amazon.com/AL2/ALAS2-2026-3840.html
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SUSE Security Update SUSE-SU-2026:3562-1 vom 2026-08-11
https://lists.suse.com/pipermail/sle-security-updates/2026-August/028190.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