CVE-2026-109248

FreeRDP 3.0.0 before 3.32.0 contains a heap out-of-bounds read in the WinPR clipboard function convertfiledescriptorstofilelist, which scans a server-controlled FILEDESCRIPTORW cFileName with unbounded wcschr and countspecialchars calls without a NUL-termination guarantee. A malicious RDP server...

DEBIAN-CVE-2026-109243

FreeRDP from 3.0.0 before 3.32.0 contains an incorrect permission assignment vulnerability that allows local users to read private keys written by cryptowritepem without owner-only permissions. Attackers on multi-user Unix hosts can enumerate the shared temporary directory during soft-smartcard...

DEBIAN-CVE-2026-109241

FreeRDP before 3.32.0 contains a NULL pointer dereference vulnerability in the client video redirection channel that allows malicious servers to crash clients by sending out-of-order messages. Attackers can send a Geometry CLEAR message that nulls presentation-geometry, then send VideoData that...

DEBIAN-CVE-2026-109240

FreeRDP 3.11.0 before 3.32.1 contains a reachable assertion vulnerability in urbisochtransfer that allows malicious RDP servers to crash clients by sending unvalidated OutputBufferSize values. Attackers can send a TSURBISOCHTRANSFER IN-direction request with OutputBufferSize above INT32MAX over...

CVE-2026-109240

FreeRDP 3.11.0 before 3.32.1 contains a reachable assertion vulnerability in urbisochtransfer that allows malicious RDP servers to crash clients by sending unvalidated OutputBufferSize values. Attackers can send a TSURBISOCHTRANSFER IN-direction request with OutputBufferSize above INT32MAX over...

CVE-2026-109241

FreeRDP before 3.32.0 contains a NULL pointer dereference vulnerability in the client video redirection channel that allows malicious servers to crash clients by sending out-of-order messages. Attackers can send a Geometry CLEAR message that nulls presentation-geometry, then send VideoData that...

CVE-2026-109257

FreeRDP before 3.32.0 contains a double-free vulnerability in nsccontextinitializeencode that leaves dangling plane pointers after a partial buffer growth failure. Attackers using a crafted RDP client can negotiate NSCodec with a large desktop geometry to trigger allocation failure, crashing the...

CVE-2026-109248

FreeRDP 3.0.0 before 3.32.0 contains a heap out-of-bounds read in the WinPR clipboard function convertfiledescriptorstofilelist, which scans a server-controlled FILEDESCRIPTORW cFileName with unbounded wcschr and countspecialchars calls without a NUL-termination guarantee. A malicious RDP server...

CVE-2026-109250

FreeRDP 3.0.0 before 3.32.0 contains a heap buffer overflow vulnerability in collectkeys that allows local attackers to write past the fixed 64-entry keys array during PKCS11 key enumeration. Attackers controlling smartcard tokens can present more than 64 public key objects across multiple slots ...

CVE-2026-109253

FreeRDP from 3.9.0 before 3.32.0 contains an out-of-bounds read vulnerability in the RDPEAR NDR scalar readers, which check value length before consuming alignment padding. Malicious or compromised RDP servers can send crafted unaligned RDPEAR payloads, such as CreateApReqAuthenticatorReq message...

CVE-2026-109254

FreeRDP 2.1.0 before 3.32.0 contains a use-after-free vulnerability in the static rdpsnd channel disconnect path, which frees audio formats and device without joining playthread. A malicious RDP server can disconnect while asynchronous Wave2 playback processes queued PDUs, causing the client to...

CVE-2026-109247

FreeRDP before 3.32.0 contains a path traversal vulnerability in convertfiledescriptorstofilelist in winpr/libwinpr/clipboard/syntheticfile.c, which concatenates server-supplied cFileName values from FileGroupDescriptorW clipboard data into the published local file:// URI without rejecting '/' or...

CVE-2026-109251

FreeRDP before 3.32.0 stores the server-supplied signed MS-RDPEGT geometry origin unchecked in an unsigned video surface coordinate, so the blit clamp in gdiVideoShowSurface wraps in 32-bit arithmetic and is skipped. A malicious RDP server can send a negative topLevelLeft to clients connecting wi...

CVE-2026-109244

FreeRDP from 2.0.0 before 3.32.0 contains an insecure permission vulnerability in winpr-makecert that creates unencrypted private keys without owner-only file modes. Local users on multi-user Unix hosts can read world-readable key files or open PFX files protected by the hard-coded default passwo...

CVE-2026-109240

FreeRDP 3.11.0 before 3.32.1 contains a reachable assertion vulnerability in urbisochtransfer that allows malicious RDP servers to crash clients by sending unvalidated OutputBufferSize values. Attackers can send a TSURBISOCHTRANSFER IN-direction request with OutputBufferSize above INT32MAX over...

CVE-2026-109249

FreeRDP 3.0.0 before 3.32.0 contains a heap out-of-bounds read in freerdpassistanceparseallelementsof because it advances its parsing cursor without reducing the remaining length, letting the scan window exceed the decrypted ConnectionString2 buffer. Attackers can supply a crafted .msrcIncident...

CVE-2026-109241

FreeRDP before 3.32.0 contains a NULL pointer dereference vulnerability in the client video redirection channel that allows malicious servers to crash clients by sending out-of-order messages. Attackers can send a Geometry CLEAR message that nulls presentation-geometry, then send VideoData that...

CVE-2026-109245

FreeRDP 3.0.0 before 3.32.0 contains an improper certificate validation vulnerability in freerdphttprequest in libfreerdp/utils/http.c that completes TLS handshakes without verifying the server certificate chain. On-path attackers can impersonate login.microsoftonline.com in the Azure AD...

CVE-2026-109246

FreeRDP before 3.32.0 contains a divide-by-zero vulnerability in the freerdp-shadow-cli shadow server: the frame id in a client's Frame Acknowledge PDU is stored without a range check, so the in-flight frame count in shadowencoderinflightframes can underflow. An authenticated client can acknowled...

CVE-2026-109256

FreeRDP 3.10.0 through 3.32.2 contains a heap buffer overflow in the WinPR pngwritedata callback that writes past the buffer after a realloc failure. A malicious RDP clipboard peer can supply a large CFDIB image that triggers out-of-bounds memcpy during PNG conversion, causing a client crash...