freerdp: FreeRDP heap-use-after-free

A heap use after free flaw has been discovered in FreeRDP. A race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial-IrpThreads while another reads it...

[SECURITY] Fedora 43 Update: freerdp-3.24.2-1.fc43

The xfreerdp & wlfreerdp Remote Desktop Protocol RDP clients from the FreeR DP project. xfreerdp & wlfreerdp can connect to RDP servers such as Microsoft Windows machines, xrdp and VirtualBox...

SiYuan Desktop: Stored XSS in imported .sy.zip content leads to arbitrary command execution

Summary A vulnerability allows crafted block attribute values to bypass server-side attribute escaping when an HTML entity is mixed with raw special characters. An attacker can embed a malicious IAL value inside a .sy document, package it as a .sy.zip, and have the victim import it through the...

GHSA-FF66-236V-P4FG SiYuan Desktop: Stored XSS in imported .sy.zip content leads to arbitrary command execution

Summary A vulnerability allows crafted block attribute values to bypass server-side attribute escaping when an HTML entity is mixed with raw special characters. An attacker can embed a malicious IAL value inside a .sy document, package it as a .sy.zip, and have the victim import it through the...

Medium: freerdp

Issue Overview: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap buffer overflow occurs in the FreeRDP client's AVC420/AVC444 YUV-to-RGB conversion path due to missing horizontal bounds validation of H.264 metablock regionRects coordinates. In...

Important: freerdp

Issue Overview: FreeRDP is a free implementation of the Remote Desktop Protocol. Versions on the 2.x branch prior to to 2.11.8 and on the 3.x branch prior to 3.23.0 have an out-of-bounds read vulnerability in the FreeRDP client's RDPGFX channel that allows a malicious RDP server to read...

Amazon Linux 2023 : freerdp, freerdp-devel, freerdp-libs (ALAS2023-2026-1512)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1512 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol. Versions on the 2.x branch prior to to 2.11.8 and on the 3.x branch prior to 3.23.0 have an out-of-bounds read vulnerability in...

ALSA-2026:6340 Important: freerdp security update

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 Fixes: freerdp: FreeRDP heap-use-after-free CVE-2026-22856 freerdp: FreeRDP...

Important: freerdp security update

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 Fixes: freerdp: FreeRDP heap-use-after-free CVE-2026-22856 freerdp: FreeRDP...

freerdp2-2.11.7-6.1 on GA media (moderate)

freerdp2-2.11.7-6.1 on GA media Announcement ID: openSUSE-SU-2026:10459-1 Rating: moderate Cross-References: CVE-2026-22855 CVE-2026-22857 CVE-2026-23533 CVE-2026-23732 CVE-2026-23883 CVE-2026-23884 CVE-2026-26271 CVE-2026-26955 CVE-2026-26965 CVE-2026-31806 CVE-2026-31883 CVE-2026-31885 CVSS...

SiYuan is Vulnerable to Cross-Origin RCE via Permissive CORS Policy and JavaScript Snippet Injection

Summary A malicious website can achieve Remote Code Execution RCE on any desktop running SiYuan by exploiting the permissive CORS policy Access-Control-Allow-Origin: + Access-Control-Allow-Private-Network: true to inject a JavaScript snippet via the API. The injected snippet executes in Electron'...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection in the process that renders the Gallery or Kanban view when a malicious URL is stored in the mAsset field and used as a cover image. An attacker can execute arbitrary operating system commands under the victim's...

SiYuan: Stored XSS in Attribute View Gallery/Kanban Cover Rendering Allows Arbitrary Command Execution in Desktop Client

Summary An attacker who can place a malicious URL in an Attribute View mAsse field can trigger stored XSS when a victim opens the Gallery or Kanban view with “Cover From - Asset Field” enabled. The vulnerable code accepts arbitrary https URLs without extensions as images, stores the...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection in the process that renders the Gallery or Kanban view when a malicious URL is stored in the mAsset field and used as a cover image. An attacker can execute arbitrary operating system commands under the victim's...

GHSA-RX4H-526Q-4458 SiYuan: Stored XSS in Attribute View Gallery/Kanban Cover Rendering Allows Arbitrary Command Execution in Desktop Client

Summary An attacker who can place a malicious URL in an Attribute View mAsse field can trigger stored XSS when a victim opens the Gallery or Kanban view with “Cover From - Asset Field” enabled. The vulnerable code accepts arbitrary https URLs without extensions as images, stores the...

SUSE 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...

SUSE CVE-2026-33977

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, a malicious RDP server can crash the FreeRDP client by sending audio data in IMA ADPCM format with an invalid initial step index value = 89. The unvalidated step index is read directly from the network and...

SUSE CVE-2026-33983

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressivedecompresstileupgrade detects a mismatch via progressiverfxquantcmpequal but only emits WLogWARN, execution continues. The wrapped value 247 is used as a shift exponent, causing undefined behavior...

SUSE CVE-2026-33984

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in resizevbarentry in libfreerdp/codec/clear.c, vBarEntry-size is updated to vBarEntry-count before the winpralignedrecalloc call. If realloc fails, size is inflated while pixels still points to the old,...

SUSE CVE-2026-33985

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, pixel data from adjacent heap memory is rendered to screen, potentially leaking sensitive data to the attacker. This issue has been patched in version 3.24.2...