Packages
- freerdp2 - RDP client for Windows Terminal Services
Details
USN-8004-1 fixed vulnerabilities in FreeRDP. The update for
CVE-2026-23533 introduced a regression. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Kim Dong Han discovered that FreeRDP did not correctly validate the size of
certain variables, which could cause a buffer overflow. An attacker could
possibly use this issue to cause a denial of service or execute arbitrary
code.
USN-8004-1 fixed vulnerabilities in FreeRDP. The update for
CVE-2026-23533 introduced a regression. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Kim Dong Han discovered that FreeRDP did not correctly validate the size of
certain variables, which could cause a buffer overflow. An attacker could
possibly use this issue to cause a denial of service or execute arbitrary
code.
Update instructions
After a standard system update you need to restart your session to 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 | ||
|---|---|---|---|
| 24.04 LTS noble | libfreerdp2-2t64 – 2.11.5+dfsg1-1ubuntu0.1~esm4 | ||
| 22.04 LTS jammy | libfreerdp2-2 – 2.6.1+dfsg1-3ubuntu2.9 | ||
| 20.04 LTS focal | libfreerdp2-2 – 2.6.1+dfsg1-0ubuntu0.20.04.2+esm2 | ||
| 18.04 LTS bionic | libfreerdp2-2 – 2.2.0+dfsg1-0ubuntu0.18.04.4+esm4 | ||
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