The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20632-1 advisory.

    Changes in freerdp2:

    - Update freerdp-3-macro:
      - Add WINPR_ATTR_MALLOC macro from freerdp 3

    - Security fixes for the following issues:
      * CVE-2026-25941: Fixed a out of bounds read (bsc#1258919)
      * CVE-2026-25942: Fixed a buffer overflow in xf_rail_server_execute_result() (bsc#1258920)
      * CVE-2026-27951: Fixed a denial of service in Stream_EnsureCapacity() (bsc#1258939)
      * CVE-2026-25997: Fixed a use-after-free in xf_clipboard_format_equal() (bsc#1258977)
      * CVE-2026-26986: Fixed a use-after-free in rail_window_free() (bsc#1258967)
      * CVE-2026-27015: Fixed a client denial of service via reachable assert (bsc#1258987)
      * CVE-2026-25952: Fixed a use-after-free in xf_SetWindowMinMaxInfo() (bsc#1258921)
      * CVE-2026-25953: Fixed a use-after-free in xf_AppUpdateWindowFromSurface() (bsc#1258923)
      * CVE-2026-25954: Fixed a use-after-free in xf_rail_server_local_move_size() (bsc#1258924)
      * CVE-2026-24684: Fixed a use-after-free in play_thread() (bsc#1257991).
      * CVE-2026-26271: Fixed a buffer overread in icon processing (bsc#1258979)
      * CVE-2026-26955: Fixed a out of bounds write (bsc#1258982)
      * CVE-2026-26965: Fixed a out of bounds write (bsc#1258985)
      * CVE-2026-31806: Fixed a buffer overflow via improper validation of server messages (bsc#1259653)
      * CVE-2026-31883: Fixed a buffer overflow via crafted audio format and wave data (bsc#1259679)
      * CVE-2026-31885: Fixed a out of bounds read (bsc#1259686)
      * CVE-2026-24491: Fix use-after-free that was accidentally introduced in the backport (bsc#1257981)
      * CVE-2026-22855: Fixed a buffer overflow in smartcard_unpack_set_attrib_call() (bsc#1256721)
      * CVE-2026-22857: Fixed a use-after-free in irp_thread_func() (bsc#1256723)
      * CVE-2026-23533: Fixed a buffer overflow in clear_decompress_residual_data() (bsc#1256943)
      * CVE-2026-23732: Fixed a buffer overflow in Glyph_Alloc() (bsc#1256945)
      * CVE-2026-23883: Fixed a use-after-free (bsc#1256946)
      * CVE-2026-23884: Fixed a use-after-free in gdi_set_bounds (bsc#1256947)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:21436-1 advisory.

    Update to version 3.24.2.

    Security issues fixed:

    - CVE-2026-25941: out-of-bounds read in the FreeRDP client RDPGFX channel (bsc#1258919).
    - CVE-2026-25942: buffer overflow of global array in `xf_rail_server_execute_result` (bsc#1258920).
    - CVE-2026-25952: heap use-after-free in `xf_SetWindowMinMaxInfo` (bsc#1258921).
    - CVE-2026-25953: heap use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258923).
    - CVE-2026-25954: heap use-after-free in `xf_rail_server_local_move_size` (bsc#1258924).
    - CVE-2026-25955: heap use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258973).
    - CVE-2026-25959: heap use-after-free in `xf_cliprdr_provide_data_` (bsc#1258976).
    - CVE-2026-25997: heap use-after-free in `xf_clipboard_format_equal` (bsc#1258977).
    - CVE-2026-26271: buffer overread in FreeRDP icon processing (bsc#1258979).
    - CVE-2026-26955: out-of-bounds write in FreeRDP clients using the GDI surface pipeline (bsc#1258982).
    - CVE-2026-26965: out-of-bounds write in FreeRDP client RLE planar decode path (bsc#1258985).
    - CVE-2026-29774: heap buffer overflow in the FreeRDP client's AVC420/AVC444 YUV-to-RGB conversion path     (bsc#1259689).
    - CVE-2026-29775: out-of-bounds access in the FreeRDP client bitmap cache subsystem (bsc#1259684).
    - CVE-2026-29776: integer underflow in `update_read_cache_bitmap_order` (bsc#1259692).
    - CVE-2026-31806: heap buffer overflow in `nsc_process_message` (bsc#1259653).
    - CVE-2026-31883: heap buffer overwrite due to a `size_t` underflow in the IMA-ADPCM and MS-ADPCM audio     decoders       (bsc#1259679).
    - CVE-2026-31884: division by zero in MS-ADPCM and IMA-ADPCM decoders (bsc#1259680).
    - CVE-2026-31885: out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders (bsc#1259686).
    - CVE-2026-31897: out-of-bounds read in `freerdp_bitmap_decompress_planar` (bsc#1259693).
    - CVE-2026-33952: client-side crash due to `WINPR_ASSERT()` failure in     `rts_read_auth_verifier_no_checks()`       (bsc#1261196).
    - CVE-2026-33977: client-side crash due to `WINPR_ASSERT()` failure in IMA ADPCM audio decoder     (bsc#1261198).
    - CVE-2026-33982: heap buffer overread in in `winpr_aligned_offset_recalloc` (bsc#1261222).
    - CVE-2026-33983: undefined behavior and resource exhaustion via 80 billion iteration loop in       `progressive_decompress_tile_upgrade` (bsc#1261200).
    - CVE-2026-33984: heap buffer overflow in ClearCodec `resize_vbar_entry` (bsc#1261211).
    - CVE-2026-33985: heap out-of-bounds read in `clear_decompress_glyph_data` (bsc#1261217).
    - CVE-2026-33986: heap out-of-bounds write due to H.264 YUV buffer dimension desync (bsc#1261223).
    - CVE-2026-33987: heap out-of-bounds write due to persistent cache bmpSize desync (bsc#1261226).
    - CVE-2026-33995: double-free vulnerability in `kerberos_AcceptSecurityContext` and       `kerberos_InitializeSecurityContextA` (bsc#1261227).

    Other updates and bugfixes:

    - Version 3.24.2:
      * [channels,video] fix wrong cast (#12511)
      * [codec,openh264] reject encoder ABI mismatch on runtime-loaded library (#12510)
      * [client,sdl] create a copy of rdpPointer (#12512)
      * [codec,video] properly pass intermediate format (#12518)
      * [utils, signal] lazily initialize Windows CRITICAL_SECTION to match POSIX static mutex behavior     (#12520) winpr:
        improve libunwind backtraces (#12530)
      * [server,shadow] remember selected caps (#12528)
      * Zero credential data before free in NLA and NTLM context (#12532)
      * [server,proxy] ignore missing client in input channel (#12536)
      * [server,proxy] ignore rdpdr messages (#12537)
      * [winpr,sspi] improve kerberos logging (#12538)
      * Codec fixes (#12542)

    - Version 3.24.1:
      * [warnings] fix various sign and cast warnings (#12480)
      * [client,x11] start with xfc->remote_app = TRUE; (#12491)
      * Sam file read regression fix (#12484)
      * [ncrypt,smartcardlogon] support ECC keys in PKCS#11 smartcard enumeration (#12490)
      * Fix: memory leak in rdp_client_establish_keys() (#12494)
      * Fix memory leak in freerdp_settings_int_buffer_copy() on error paths (libfreerdp/core/settings.c)     (#12486)
      * Code Cleanups (#12493)
      * Fix: memory leak in PCSC_SCardListReadersW() (#12495)
      * [channels,telemetry] use dynamic logging (#12496)
      * [channel,gfx] use generic plugin log (@12498, #12499)
      * [channels,audin] set error when audio_format_read fails (#12500)
      * [channels,video] unify error handling (#12502)
      * Fastpath fine grained lock (#12503)
      * [core,update] make the PlaySound callback non-mandatory (#12504)
      * Refinements: RPM build updates, FIPS improvements (#12506)

    - Version 3.24.0:
      * Completed the [[nodiscard]] marking of the API to warn about problematic
      * unchecked use of functions
      * Added full C23 support (default stays at C11) to allow new compilers
      * to do stricter checking
      * Improved X11 and SDL3 clients
      * Improved smartcard support
      * proxy now supports RFX graphics mode
      * Attribute nodiscard related chanes (#12325, #12360, #12395, #12406, #12421, #12426, #12177, #12403,     #12405, #12407,         #12409, #12408, #12412, #12413)
      * c23 related improvements (#12368, #12371, #12379, #12381, #12383, #12385, #12386, #12387, #12384)
      * Generic code cleanups (#12382, #12439, #12455, #12462, #12399, #12473) [core,utils] ignore NULL values     in         remove_rdpdr_type (#12372)
      * [codec,fdk] revert use of WinPR types (#12373)
      * [core,gateway] ignore incomplete rpc header (#12375, #12376)
      * [warnings] make function declaration names consistent (#12377)
      * [libfreerdp] Add new define for logon error info (#12380)
      * [client,x11] improve rails window locking (#12392)
      * Reload fix missing null checks (#12396)
      * Bounds checks (#12400)
      * [server,proxy] check for nullptr before using scard_call_context (#12404)
      * [uwac] fix rectangular glitch around surface damage regions (#12410)
      * Address various error handling inconsistencies (#12411)
      * [core,server] Improve WTS API locking (#12414)
      * Address some GCC compile issues (#12415, #12420)
      * Winpr atexit (#12416)
      * [winpr,smartcard] fix function pointer casts (#12422)
      * Xf timer fix (#12423)
      * [client,sdl] workaround for wlroots compositors (#12425)
      * [client,sdl] fix SdlWindow::query (#12378)
      * [winpr,smartcard] fix PCSC_ReleaseCardContext (#12427)
      * [client,x11] eliminate obsolete compile flags (#12428)
      * [client,common] skip sending input events when not connected (#12429)
      * Input connected checks (#12430)
      * Floatbar and display channel improvements (#12431)
      * [winpr,platform] fix WINPR_ATTR_NODISCARD definition (#12432)
      * [client] Fix writing of gatewayusagemethod to .rdp files (#12433)
      * Nodiscard finetune (#12435)
      * [core] fix missing gateway credential sync (#12436)
      * [client,sdl3] limit FREERDP_WLROOTS_HACK (#12441)
      * [core,settings] Allow FreeRDP_instance in setter (#12442)
      * [codec,h264] make log message trace (#12444)
      * X11 rails improve (#12440)
      * [codec,nsc] limit copy area in nsc_process_message (#12448)
      * Proxy support RFX and NSC settings (#12449)
      * [client,common] display a shortened help on parsing issues (#12450)
      * [winpr,smartcard] refine locking for pcsc layer (#12451)
      * [codec,swscale] allow runtime loading of swscale (#12452)
      * Swscale fallback (#12454)
      * Sdl multi scaling support (#12456)
      * [packaging,flatpak] update runtime and dependencies (#12457)
      * [codec,video] add doxygen version details (#12458)
      * [github,templates] update templates (#12460)
      * [client,sdl] allow FREERDP_WLROOTS_HACK for all sessions (#12461)
      * [warnings,nodiscard] add log messages for failures (#12463)
      * [gdi,gdi] ignore empty rectangles (#12467)
      * Smartcard fix smartcard-login, pass rdpContext for abort (#12466)
      * [winpr,smartcard] fix compiler warnings (#12469)
      * [winpr,timezone] fix search for transition dates (#12468)
      * [client,common] improve /p help (#12471)
      * Scard logging refactored (#12472)
      * [emu,scard] fix smartcard emulation (#12475)
      * Sdl null cursor (#12474)

    - Version 3.23.0:
      * Sdl cleanup (#12202)
      * [client,sdl] do not apply window offset (#12205)
      * [client,sdl] add SDL_Error to exceptions (#12214)
      * Rdp monitor log (#12215)
      * [winpr,smartcard] implement some attributes (#12213)
      * [client,windows] Fix return value checks for mouse event functions (#12279)
      * [channels,rdpecam] fix sws context checks (#12272)
      * [client,windows] Enhance error handling and context validation (#12264)
      * [client,windows] Add window handle validation in RDP_EVENT_TYPE_WINDOW_NEW (#12261)
      * [client,sdl] fix multimon/fullscreen on wayland (#12248)
      * Vendor by app (#12207)
      * [core,gateway] relax TSG parsing (#12283)
      * [winpr,smartcard] simplify PCSC_ReadDeviceSystemName (#12273)
      * [client,windows] Implement complete keyboard indicator synchronization (#12268)
      * Fixes more more more (#12286)
      * Use application details for names (#12285)
      * warning cleanups (#12289)
      * Warning cleanup (#12291)
      * [client,windows] Enhance memory safety with NULL checks and resource protection (#12271)
      * [client,x11] apply /size:xx% only once (#12293)
      * Freerdp config test (#12295)
      * [winpr,smartcard] fix returned attribute length (#12296)
      * [client,SDL3] Fix properly handle smart-sizing with fullscreen (#12298)
      * [core,test] fix use after free (#12299)
      * Sign warnings (#12300)
      * [cmake,compiler] disable -Wjump-misses-init (#12301)
      * [codec,color] fix input length checks (#12302)
      * [client,sdl] improve cursor updates, fix surface sizes (#12303)
      * Sdl fullscreen (#12217)
      * [client,sdl] fix move constructor of SdlWindow (#12305)
      * [utils,smartcard] check stream length on padding (#12306)
      * [android] Fix invert scrolling default value mismatch (#12309)
      * Clear fix bounds checks (#12310)
      * Winpr attr nodiscard fkt ptr (#12311)
      * [codec,planar] fix missing destination bounds checks (#12312)
      * [codec,clear] fix destination checks (#12315)
      * NSC Codec fixes (#12317)
      * Freerdp api nodiscard (#12313)
      * [allocations] fix growth of preallocated buffers (#12319)
      * Rdpdr simplify (#12320)
      * Resource fix (#12323)
      * [winpr,utils] ensure message queue capacity (#12322)
      * [server,shadow] fix return and parameter checks (#12330)
      * Shadow fixes (#12331)
      * [rdtk,nodiscard] mark rdtk API nodiscard (#12329)
      * [client,x11] fix XGetWindowProperty return handling (#12334)
      * Win32 signal (#12335)
      * [channel,usb] fix message parsing and creation (#12336)
      * [cmake] Define WINPR_DEFINE_ATTR_NODISCARD (#12338)
      * Proxy config fix (#12345)
      * [codec,progressive] refine progressive decoding (#12347)
      * [client,sdl] fix sdl_Pointer_New (#12350)
      * [core,gateway] parse [MS-TSGU] 2.2.10.5 HTTP_CHANNEL_RESPONSE_OPTIONAL (#12353)
      * X11 kbd sym (#12354)
      * Windows compile warning fixes (#12357,#12358,#12359)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:19033 advisory.

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license.
    The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

    Security Fix(es):

    * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22855)

    * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22853)

    * freerdp: FreeRDP global-buffer-overflow (CVE-2026-22858)

    * freerdp: FreeRDP heap-use-after-free (CVE-2026-22856)

    * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22854)

    * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22859)

    * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22852)

    * freerdp: FreeRDP: Denial of Service via FastGlyph parsing buffer overflow (CVE-2026-23732)

    * freerdp: FreeRDP: Denial of Service via use after free in ecam_channel_write (CVE-2026-24678)

    * freerdp: FreeRDP: Denial of Service via use-after-free in AUDIN format renegotiation (CVE-2026-24676)

    * freerdp: FreeRDP has a heap-use-after-free in video_timer (CVE-2026-24491)

    * freerdp: FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2() (CVE-2026-23948)

    * freerdp: FreeRDP has a Heap-use-after-free in play_thread (CVE-2026-24684)

    * freerdp: FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb (CVE-2026-24681)

    * freerdp: FreeRDP has a Heap-buffer-overflow in audio_formats_free (CVE-2026-24682)

    * freerdp: FreeRDP has a heap-use-after-free in ainput_send_input_event (CVE-2026-24683)

    * freerdp: FreeRDP has a heap-buffer-overflow in urb_select_interface (CVE-2026-24679)

    * freerdp: FreeRDP has a Heap-use-after-free in urb_select_interface (CVE-2026-24675)

    * freerdp: FreeRDP: Arbitrary code execution via heap out-of-bounds write in RLE planar decode path     (CVE-2026-26965)

    * freerdp: FreeRDP: Arbitrary code execution via heap buffer overflow in GDI surface pipeline     (CVE-2026-26955)

    * freerdp: FreeRDP: Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages     (CVE-2026-31806)

    * FreeRDP: FreeRDP: Heap buffer overflow allows arbitrary code execution via crafted pixel data     (CVE-2026-33984)

    * FreeRDP: FreeRDP: Denial of Service via specially crafted Remote Desktop Protocol messages     (CVE-2026-33983)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-19033 advisory.

    - Update CLEAR_VBAR_ENTRY size after alloc (CVE-2026-33984)
    - Fail progressive_rfx_quant_sub on invalid values (CVE-2026-33983)       Resolves: RHEL-162947, RHEL-162963

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-d91338eea8 advisory.

    Backport several CVE fixes

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_6799 advisory.

    * freerdp: FreeRDP heap-use-after-free (CVE-2026-22856)

    * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22854)

    * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22852)

    * freerdp: FreeRDP: Denial of Service via FastGlyph parsing buffer overflow (CVE-2026-23732)

    * freerdp: FreeRDP: Denial of Service via use-after-free in AUDIN format renegotiation (CVE-2026-24676)

    * freerdp: FreeRDP has a heap-use-after-free in video_timer (CVE-2026-24491)

    * freerdp: FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2() (CVE-2026-23948)

    * freerdp: FreeRDP has a Heap-use-after-free in play_thread (CVE-2026-24684)

    * freerdp: FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb (CVE-2026-24681)

    * freerdp: FreeRDP has a Heap-buffer-overflow in audio_formats_free (CVE-2026-24682)

    * freerdp: FreeRDP has a heap-use-after-free in ainput_send_input_event (CVE-2026-24683)

    * freerdp: FreeRDP has a heap-buffer-overflow in urb_select_interface (CVE-2026-24679)

    * freerdp: FreeRDP has a Heap-use-after-free in urb_select_interface (CVE-2026-24675)

    * freerdp: FreeRDP: Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages     (CVE-2026-31806)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
311767	openSUSE 16 Security Update : freerdp2 (openSUSE-SU-2026:20632-1)	Nessus	SuSE Local Security Checks	5/2/2026	5/2/2026	critical
312138	SUSE SLES16 Security Update : freerdp (SUSE-SU-2026:21436-1)	Nessus	SuSE Local Security Checks	5/5/2026	5/5/2026	critical
315441	RHEL 10 : freerdp (RHSA-2026:19033)	Nessus	Red Hat Local Security Checks	5/19/2026	6/12/2026	critical
327011	Oracle Linux 10 : freerdp (ELSA-2026-19033)	Nessus	Oracle Linux Local Security Checks	7/15/2026	7/15/2026	critical
344484	Fedora 44 : freerdp2 (2026-d91338eea8)	Nessus	Fedora Local Security Checks	9/10/2026	9/10/2026	critical
354955	Rocky Linux 10.1 [CIQ] Security Update: freerdp / freerdp-debuginfo / freerdp-debugsource / freerdp-devel / etc Multiple Vulnerabilities (crlsa-2026_6799)	Nessus	Rocky Linux Local Security Checks	10/1/2026	10/1/2026	critical

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