FreeRDP: FreeRDP: Denial of Service via integer overflow and double free in WinPR

A flaw was found in FreeRDP. A remote attacker, specifically a malicious RD Gateway peer, could send a crafted WebSocket Ping frame with an extended payload length. This action triggers an an integer overflow in the StreamEnsureRemainingCapacity function, leading to an integer wraparound and a...

DEBIAN-CVE-2026-91960

FreeRDP versions before 3.31.0 contain an integer overflow in WinPR's StreamEnsureRemainingCapacity function that allows remote attackers to cause denial of service. A malicious RD Gateway peer can send a WebSocket Ping frame with a crafted 64-bit extended payload length to trigger integer...

EUVD-2026-78636

FreeRDP versions before 3.31.0 contain an integer overflow in WinPR's StreamEnsureRemainingCapacity function that allows remote attackers to cause denial of service. A malicious RD Gateway peer can send a WebSocket Ping frame with a crafted 64-bit extended payload length to trigger integer...

CVE-2026-91960 FreeRDP before 3.31.0 Integer Overflow Double Free

FreeRDP versions before 3.31.0 contain an integer overflow in WinPR's StreamEnsureRemainingCapacity function that allows remote attackers to cause denial of service. A malicious RD Gateway peer can send a WebSocket Ping frame with a crafted 64-bit extended payload length to trigger integer...

CVE-2026-91960: Integer Overflow or Wraparound

FreeRDP versions before 3.31.0 contain an integer overflow in WinPR's StreamEnsureRemainingCapacity function that allows remote attackers to cause denial of service. A malicious RD Gateway peer can send a WebSocket Ping frame with a crafted 64-bit extended payload length to trigger integer...

Linux Distros Unpatched Vulnerability : CVE-2026-91960

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FreeRDP versions before 3.31.0 contain an integer overflow in WinPR's StreamEnsureRemainingCapacity function that allows remote attackers to cause denial of...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a missing bounds check in smartcardunpackreadsizealign libfreerdp/utils/smartcardpack.c:1703 allowed a malicious RDP server to crash the FreeRDP client through a reachable WINPRASSERT → abort mechanism. This...

FreeRDP: FreeRDP: Information disclosure and denial of service via heap-buffer-overflow read

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. This vulnerability, a heap-buffer-overflow read, exists in the winpralignedoffsetrecalloc function. A local attacker could exploit this flaw, with user interaction, to read sensitive information from memory, leadin...

FreeRDP: FreeRDP: Information disclosure and denial of service via heap-buffer-overflow read

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. This vulnerability, a heap-buffer-overflow read, exists in the winpralignedoffsetrecalloc function. A local attacker could exploit this flaw, with user interaction, to read sensitive information from memory, leadin...

Important: freerdp

Issue Overview: DoS via WINPRASSERT in rtsreadauthverifiernochecks NOTE: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4v4p-9v5x-hc93 CVE-2026-33952 DoS via WINPRASSERT in IMA ADPCM audio decoder dsp.c:331 NOTE:...

FreeRDP < 3.24.2 Multiple Vulnerabilities

FreeRDP is prone to multiple vulnerabilities. Note: This VT has been deprecated and is therefore no longer functional. SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

CVE-2026-33995

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. A remote attacker could exploit a double-free vulnerability in the Kerberos security context functions, specifically kerberosAcceptSecurityContext and kerberosInitializeSecurityContextA, within the WinPR library...

CVE-2026-33982

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpralignedoffsetrecalloc. This issue has been patched in version 3.24.2...

UBUNTU-CVE-2026-33982

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpralignedoffsetrecalloc. This issue has been patched in version 3.24.2...

CVE-2026-33982

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpralignedoffsetrecalloc. This issue has been patched in version 3.24.2...

EUVD-2026-17225

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpralignedoffsetrecalloc. This issue has been patched in version 3.24.2...

CVE-2026-33982 FreeRDP: Persistent Cache Allocator Mismatch - Heap OOB Read

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpralignedoffsetrecalloc. This issue has been patched in version 3.24.2...

CVE-2026-33952 FreeRDP: DoS via WINPR_ASSERT in rts_read_auth_verifier_no_checks

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, an unvalidated authlength field read from the network triggers a WINPRASSERT failure in rtsreadauthverifiernochecks, causing any FreeRDP client connecting through a malicious RDP Gateway to crash with SIGABR...

CVE-2026-33952

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, an unvalidated authlength field read from the network triggers a WINPRASSERT failure in rtsreadauthverifiernochecks, causing any FreeRDP client connecting through a malicious RDP Gateway to crash with SIGABR...

CVE-2026-33952 FreeRDP: DoS via WINPR_ASSERT in rts_read_auth_verifier_no_checks

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, an unvalidated authlength field read from the network triggers a WINPRASSERT failure in rtsreadauthverifiernochecks, causing any FreeRDP client connecting through a malicious RDP Gateway to crash with SIGABR...