For more information, see VMSA-2021-0009.

The Common Vulnerabilities and Exposures project ( ) has assigned the identifiers CVE-2021-21987 (TTC parser), CVE-2021-21988 (JPEG2000 parser), and CVE-2021-21989 (TTC parser) to these issues.

A malicious actor with access to a remote desktop might be able to exploit these issues. These issues exist in the TTC and JPEG2000 parsers. Horizon Client for Windows contains multiple out-of-bounds read vulnerabilities in the Cortado ThinPrint component.Horizon Client for Windows 5.5.2 includes various bug fixes and the following security fix and new features: You can also install Horizon Client so that it runs in FIPS mode. Horizon Client supports optional RADIUS and RSA SecurID authentication. SSL/TLS encryption is always used to protect user credentials, and enhanced certificate checking is performed on the client device. Secure from any location - At your desk or away from the office, your data is delivered securely to you wherever you are.Simple connectivity - Horizon Client for Windows is tightly integrated with VMware Horizon 6 and Horizon 7 for simple setup and connectivity.Your remote desktops and published applications are fast and responsive, regardless of where you are. Unmatched performance - The adaptive capabilities of the PCoIP display protocol and the VMware Blast display protocol are optimized to deliver the best user experience, even over low-bandwidth and high-latency connections.Support for Windows 10, Windows 8.1, and Windows 7.VMware Horizon Client for Windows makes it easy to access your remote desktops and published applications with the best possible user experience on the Local Area Network (LAN) or across a Wide Area Network (WAN).

These release notes cover the following topics:

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