Ubuntu Security Notices USN-8432-1 USN-8432-1: FreeRDP vulnerabilities Publication date 16 June 2026 Overview Several security issues were fixed in FreeRDP. Releases 26.04 LTS 25.10 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Packages freerdp2 - RDP client for Windows Terminal Services freerdp3 - RDP client for Windows Terminal Services Details It was discovered that FreeRDP incorrectly handled memory under certain circumstances, which could lead to an out-of-bounds heap write. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. ( CVE-2026-45700 ) In addition, this update fixes a regression introduced in USN-8105-1. The update introduces a complete fix for CVE-2026-22858 , CVE-2026-23732 and CVE-2026-25952 in Ubuntu 24.04 LTS and Ubuntu 25.10. It was discovered that FreeRDP incorrectly handled memory under certain circumstances, which could lead to an out-of-bounds heap write. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. ( CVE-2026-45700 ) In addition, this update fixes a regression introduced in USN-8105-1. The update introduces a complete fix for CVE-2026-22858 , CVE-2026-23732 and CVE-2026-25952 in Ubuntu 24.04 LTS and Ubuntu 25.10. Update instructions In general, a standard system update will make all the necessary changes. Learn more about how to get the fixes. The problem can be corrected by updating your system to the following package versions: Ubuntu Release Package Version 26.04 LTS resolute freerdp-x11 – 3.24.2+dfsg-1ubuntu1.1 freerdp3-x11 – 3.24.2+dfsg-1ubuntu1.1 libfreerdp3-3 – 3.24.2+dfsg-1ubuntu1.1 25.10 questing freerdp3-x11 – 3.16.0+dfsg-2ubuntu0.5 libfreerdp3-3 – 3.16.0+dfsg-2ubuntu0.5 24.04 LTS noble freerdp2-x11 – 2.11.5+dfsg1-1ubuntu0.1~esm6 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. freerdp3-x11 – 3.5.1+dfsg1-0ubuntu1.6 libfreerdp2-2t64 – 2.11.5+dfsg1-1ubuntu0.1~esm6 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. libfreerdp3-3 – 3.5.1+dfsg1-0ubuntu1.6 22.04 LTS jammy freerdp2-x11 – 2.6.1+dfsg1-3ubuntu2.11 libfreerdp2-2 – 2.6.1+dfsg1-3ubuntu2.11 20.04 LTS focal freerdp2-x11 – 2.6.1+dfsg1-0ubuntu0.20.04.2+esm4 Ubuntu Pro Fix available with Ubuntu Pro . libfreerdp2-2 – 2.6.1+dfsg1-0ubuntu0.20.04.2+esm4 Ubuntu Pro Fix available with Ubuntu Pro . 18.04 LTS bionic freerdp2-x11 – 2.2.0+dfsg1-0ubuntu0.18.04.4+esm6 Ubuntu Pro Fix available with Ubuntu Pro . libfreerdp2-2 – 2.2.0+dfsg1-0ubuntu0.18.04.4+esm6 Ubuntu Pro Fix available with Ubuntu Pro . Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Get Ubuntu Pro References https://launchpad.net/bugs/2149819 CVE-2026-45700 CVE-2026-45700