SUSE-SU-2026:22194-1: important: Security update for freerdp
SLE-UPDATES
null at suse.de
Tue Jun 23 16:37:10 UTC 2026
# Security update for freerdp
Announcement ID: SUSE-SU-2026:22194-1
Release Date: 2026-06-20T06:54:39Z
Rating: important
References:
* bsc#1174200
* bsc#1261217
* bsc#1261222
* bsc#1261223
* bsc#1261226
* bsc#1261227
* bsc#1262743
* bsc#1266317
* bsc#1267008
* bsc#1267009
* bsc#1267010
* bsc#1267011
Cross-References:
* CVE-2026-33982
* CVE-2026-33985
* CVE-2026-33986
* CVE-2026-33987
* CVE-2026-33995
* CVE-2026-40033
* CVE-2026-40254
* CVE-2026-44420
* CVE-2026-44421
* CVE-2026-44422
* CVE-2026-45700
CVSS scores:
* CVE-2026-33982 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
* CVE-2026-33982 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
* CVE-2026-33982 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
* CVE-2026-33985 ( SUSE ): 5.9
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2026-33985 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L
* CVE-2026-33985 ( NVD ): 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
* CVE-2026-33985 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L
* CVE-2026-33986 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-33986 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-33987 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
* CVE-2026-33987 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
* CVE-2026-33987 ( NVD ): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
* CVE-2026-33995 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
* CVE-2026-33995 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-40033 ( SUSE ): 9.2
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-40033 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-40033 ( NVD ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-40033 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-40254 ( SUSE ): 2.1
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-40254 ( SUSE ): 4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
* CVE-2026-40254 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-40254 ( NVD ): 4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
* CVE-2026-44420 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-44420 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-44421 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-44421 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-44422 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-44422 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-44422 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-45700 ( SUSE ): 7.7
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-45700 ( SUSE ): 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-45700 ( NVD ): 7.7
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-45700 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise Server 16.0
* SUSE Linux Enterprise Server for SAP applications 16.0
An update that solves 11 vulnerabilities and has one fix can now be installed.
## Description:
This update for freerdp fixes the following issues
Update to version 3.26.0:
* CVE-2026-33982: heap-buffer-overflow READ vulnerability at 24 bytes before
the allocation, in winpr_aligned_offset_recalloc() (bsc#1261222).
* CVE-2026-33985: FreeRDP: Information disclosure via heap memory out of
bounds read (bsc#1261217).
* CVE-2026-33986: heap OOB write due to H.264 YUV buffer dimension desync
(bsc#1261223).
* CVE-2026-33987: heap OOB write due to persistent cache bmpSize desync
(bsc#1261226).
* CVE-2026-33995: double-free vulnerability in
kerberos_AcceptSecurityContext() and kerberos_InitializeSecurityContextA()
(bsc#1261227).
* CVE-2026-40033: heap buffer overflow in `gdi_CacheToSurface` allows
attackers to cause a denial of service or achieve remote execute code
(bsc#1266317).
* CVE-2026-40254: off-by-one in contains_dotdot() allows drive channel path
traversal (bsc#1262743).
* CVE-2026-44420: Prior to 3.26.0, a malicious RDP client can trigger a heap-
buffer-overflow write in FreeRDP's server- side clipboard (cliprdr) channel
(bsc#1267008).
* CVE-2026-44421: Prior to 3.26.0, a malicious RDP server can trigger a heap-
buffer-overflow write in the FreeRDP client by sending crafted RDPGFX PDUs
(bsc#1267009).
* CVE-2026-44422: Prior to 3.26.0, a malicious-server-triggerable heap use-
after-free / double-free in the FreeRDP client's RDPEAR authentication-
redirection path exists (bsc#1267010).
* CVE-2026-45700: n attacker can bypass the check with a large nDstStep and a
large nXDst, causing planar_decompress_plane_rle() to write past the end of
pTempData (bsc#1267011).
Changes:
* cmake: Findyuv: Use correct pkgconfig name (#12666)
* Remove deallocator attribute from rfx_message_free (#12681)
* [winpr,utils] improve winpr/ntlm.h (#12677)
* rdpecam-v4l: stop the capture thread when streaming is cleared (#12690)
* fix(winpr,ncrypt): support PIV retired key slots for smartcard logon
(#12684)
* [core,instance] fix deprecation guards (#12691)
* [ci,alt-arch] enable internal MD4, MD5 and RC4 (#12692)
* Add VideoToolbox H.264 support for ffmpeg (#12694)
* [client,common] add /args-from:file: syntax (#12697)
* [ci,freebsd] update freebsd builds (#12698, #12700, #12701, #12702)
* [client, android] UI modernization, SQLCipher and more (#12685, #12686,
#12687, #12730,
* # 12731, #12736, #12737, #12688)
* [cmake,deps] use alias target for sso-mib (#12706)
* [core,settings] add auto reconnect triggered flag (#12709)
* Force YUV420P when videotoolbox is used (#12711)
* Release cleanups (#12712)
* [gdi,gfx] fix bounds checks and proxy unit tests (#12713)
* Improved input checks (#12714)
* [winpr,utils] add unit tests for command line parser (#12716)
* Cmdline fixes (#12717)
* [codec,planar] fix bounds checks (#12718)
* [client,common] add freerdp_client_settings_parse_command_line_argume...
(#12724)
* [winpr,sspi] clean up ntlm code (#12732)
* Experimental AV1 support has been added. This currently works only with
FreeRDP based servers.
* Most notably there is now support for [MS-RDPEWA] (FIDO2 redirection)
* Android client received a (small) facelift
* Improved SDL3 client drawing performance
* Console output support for SDL3 (windows) and windows native client
* RDP proxy now supports NSCodec and RFX modes.
* RDP PRoxy now has smartcard emulation and SAM file support (via config file)
* Smartcard KSP support for NLA authentication
* [winpr,wlog] add WLog_SetGlobalPrefix (#12497)
* [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)
* [winpr,sspi] Fix context nullptr handling (#12543)
* Dev 3.24.3 dev0 (#12545)
* Fix memory leak in gdi_create_bitmap() on gdi_CreateBitmap failure
(libfreerdp/gdi/graphics.c) (#12547)
* Fix memory leak in vgids_read_do_fkt() on Stream_New failure
(libfreerdp/emu/scard/smartcard_virtual_gids.c) (#12548)
* Proxy config improve (#12549)
* Proxy config improve (#12550)
* [client,sdl] clamp cursor hotspot (#12553)
* RFC: Research/av1 codec extension (#12527)
* [winpr,kerberos] fix krb_log_context_encryption (#12555)
* [client,sdl] fix global init return check (#12558)
* Fix remote credential with windows11h2 (#12560)
* Proxy scard auth improvements (#12561)
* [winpr,sspi] guard krb5_get_etype_info (#12562)
* [utils,smartcard] fix STATUS_BUFFER_TOO_SMALL (#12564)
* [client,common] do not manipulate security settings for smartcard-logon
(#12567)
* [channels,audin] fix regression for microphone (#12570)
* [client,sdl] add SDL_KMOD_MODE and SDL_KMOD_LEVEL5 (#12569)
* Fix unbound strlen on slotDescription (#12571)
* build: Update FindFFmpeg.cmake to support Apple frameworks with 'lib' prefix
(#12565)
* [channels,rdpewa] add WebAuthn virtual channel support (#12572)
* [core] fix freerdp_get_nla_sspi_error always returning 0 on client (#12574)
* [ci] enable rdpewa channel (#12576)
* small refactoring (#12578)
* Rdpewa unify notifications (#12581)
* [client,sdl] fix crash when clicking 'cancel' on PIN popup (#12580)
* [channels,drive] refine bounds checks (#12584)
* fix: smartcard logon with ECC keys and minidriver-assigned container names
(#12585)
* Various papercuts (#12583)
* fix: console output on Windows client (#12573)
* [winpr,crt] dump stack on aligned memory errors (#12588)
* [client,x11] keep scancode input for Ctrl/Alt/Super combinations in
/kbd:unicode mode (#12590)
* [codec,progressive] fix underflow guard in progressive_rfx_quant_sub
(#12592)
* fix: wfreerdp floatbar visibility (#12594)
* [winpr,json] return a copy from WINPR_JSON_Print* (#12595)
* [client,sdl] drop WITH_DEBUG_SDL_EVENTS (#12599)
* Ncrypt and asn1 cleanup (#12604)
* Video channel fix (#12593)
* [codec,h264] fix media foundation backend (#12606)
* fix(sdl): detect Hyprland and river in tryFallback() (#12608)
* Proxy stress fixes (#12597)
* Add new fuzzer tests (#12613)
* fix(sdl): use SDL_Renderer instead of software surfaces (#12607)
* fix(sdl): BFS neighbor walk pop/begin mismatch in addOrUpdateDisplay
(#12614)
* fix(sdl): promote first monitor as primary when subset excludes primary
(#12618)
* [ci,android] default to only aarch64 (#12622)
* Fix process exit code on non-pidfd platforms (macOS, BSD)#12534) (#12586)
* warning cleanups (#12626)
* fix: prevent PostQuitMessage in RemoteApp WM_DESTROY handler (#12629)
* [winpr,ntlm] fix message cleanup across the SSPI lifecycle (#12609)
* Code bug fixes (#12632)
* Oss fixes (#12633)
* [client,android] add an option to enable keeping screen on when connected
(#12630)
* [client, android] Fix layout overlaps, migrate to AndroidX, and update UI
components (#12628)
* Proxy config tests (#12636)
* Proxy config optional targethost (#12637)
* [client,sdl] set SDL_HINT_SCREENSAVER_INHIBIT_ACTIVITY_NAME (#12639)
* Nightly deb fix (#12640, #12641, #12649, #12650, #12642, #12643)
* [winpr,input] fix korean keyboard mapping (#12646)
* [client,sdl] set hints before SDL_Init (#12644)
* Sdl inhibit option (#12647)
* [client,X11] fix residual race in xf_clipboard_formats_free (#12648)
* (sdl3): Fix oversized window on HiDPI Wayland (#12635)
* [cache,bitmap] fix off-by-one in bitmap_cache_put bounds check (#12651)
* [winpr,sspi] free fields buffer immediately (#12654)
* [codec,dsp] fix fencepost error in dsp_ima_clamp_step (#12655)
* RDPECAM MJPEG support
* Support for FDK-AAC for sound and microphone redirection
* Support timezones as JSON resources
* Rely preferably on pkgconfig to pull devel packages instead of
* A new option /cert that unifies all certificate related options
(gh#FreeRDP/FreeRDP#5880)
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Server for SAP applications 16.0
zypper in -t patch SUSE-SLES-16.0-981=1
* SUSE Linux Enterprise Server 16.0
zypper in -t patch SUSE-SLES-16.0-981=1
## Package List:
* SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
* freerdp-3.26.0-160000.1.1
* freerdp-proxy-plugins-debuginfo-3.26.0-160000.1.1
* libfreerdp3-3-3.26.0-160000.1.1
* freerdp-sdl-debuginfo-3.26.0-160000.1.1
* libwinpr3-3-3.26.0-160000.1.1
* libwinpr3-3-debuginfo-3.26.0-160000.1.1
* freerdp-debugsource-3.26.0-160000.1.1
* freerdp-proxy-3.26.0-160000.1.1
* freerdp-proxy-debuginfo-3.26.0-160000.1.1
* freerdp-server-3.26.0-160000.1.1
* libfreerdp3-3-debuginfo-3.26.0-160000.1.1
* freerdp-server-debuginfo-3.26.0-160000.1.1
* winpr-devel-3.26.0-160000.1.1
* freerdp-devel-3.26.0-160000.1.1
* librdtk0-0-debuginfo-3.26.0-160000.1.1
* freerdp-sdl-3.26.0-160000.1.1
* libfreerdp-server-proxy3-3-3.26.0-160000.1.1
* freerdp-debuginfo-3.26.0-160000.1.1
* freerdp-wayland-3.26.0-160000.1.1
* libfreerdp-server-proxy3-3-debuginfo-3.26.0-160000.1.1
* freerdp-wayland-debuginfo-3.26.0-160000.1.1
* libuwac0-0-3.26.0-160000.1.1
* freerdp-proxy-plugins-3.26.0-160000.1.1
* libuwac0-0-debuginfo-3.26.0-160000.1.1
* librdtk0-0-3.26.0-160000.1.1
* SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
* freerdp-3.26.0-160000.1.1
* freerdp-proxy-plugins-debuginfo-3.26.0-160000.1.1
* libfreerdp3-3-3.26.0-160000.1.1
* freerdp-sdl-debuginfo-3.26.0-160000.1.1
* libwinpr3-3-3.26.0-160000.1.1
* libwinpr3-3-debuginfo-3.26.0-160000.1.1
* freerdp-debugsource-3.26.0-160000.1.1
* freerdp-proxy-3.26.0-160000.1.1
* freerdp-proxy-debuginfo-3.26.0-160000.1.1
* freerdp-server-3.26.0-160000.1.1
* libfreerdp3-3-debuginfo-3.26.0-160000.1.1
* freerdp-server-debuginfo-3.26.0-160000.1.1
* winpr-devel-3.26.0-160000.1.1
* freerdp-devel-3.26.0-160000.1.1
* librdtk0-0-debuginfo-3.26.0-160000.1.1
* freerdp-sdl-3.26.0-160000.1.1
* libfreerdp-server-proxy3-3-3.26.0-160000.1.1
* freerdp-debuginfo-3.26.0-160000.1.1
* freerdp-wayland-3.26.0-160000.1.1
* libfreerdp-server-proxy3-3-debuginfo-3.26.0-160000.1.1
* freerdp-wayland-debuginfo-3.26.0-160000.1.1
* libuwac0-0-3.26.0-160000.1.1
* freerdp-proxy-plugins-3.26.0-160000.1.1
* libuwac0-0-debuginfo-3.26.0-160000.1.1
* librdtk0-0-3.26.0-160000.1.1
## References:
* https://www.suse.com/security/cve/CVE-2026-33982.html
* https://www.suse.com/security/cve/CVE-2026-33985.html
* https://www.suse.com/security/cve/CVE-2026-33986.html
* https://www.suse.com/security/cve/CVE-2026-33987.html
* https://www.suse.com/security/cve/CVE-2026-33995.html
* https://www.suse.com/security/cve/CVE-2026-40033.html
* https://www.suse.com/security/cve/CVE-2026-40254.html
* https://www.suse.com/security/cve/CVE-2026-44420.html
* https://www.suse.com/security/cve/CVE-2026-44421.html
* https://www.suse.com/security/cve/CVE-2026-44422.html
* https://www.suse.com/security/cve/CVE-2026-45700.html
* https://bugzilla.suse.com/show_bug.cgi?id=1174200
* https://bugzilla.suse.com/show_bug.cgi?id=1261217
* https://bugzilla.suse.com/show_bug.cgi?id=1261222
* https://bugzilla.suse.com/show_bug.cgi?id=1261223
* https://bugzilla.suse.com/show_bug.cgi?id=1261226
* https://bugzilla.suse.com/show_bug.cgi?id=1261227
* https://bugzilla.suse.com/show_bug.cgi?id=1262743
* https://bugzilla.suse.com/show_bug.cgi?id=1266317
* https://bugzilla.suse.com/show_bug.cgi?id=1267008
* https://bugzilla.suse.com/show_bug.cgi?id=1267009
* https://bugzilla.suse.com/show_bug.cgi?id=1267010
* https://bugzilla.suse.com/show_bug.cgi?id=1267011
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