Use-after-free in FreeRDP - CVE-2026-24676

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Main Vulnerability Database Vulnerabilities #VU122494

Use-after-free in FreeRDP - CVE-2026-24676

Published: February 10, 2026


Vulnerability identifier: #VU122494
CSH Severity: High
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-24676
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in audio_format_compatible() function. A remote attacker can trick the victim into connecting to a malicious server and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

FreeRDP
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
Red Hat CodeReady Linux Builder for IBM z Systems
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
SUSE Package Hub 15
openSUSE Leap
Ubuntu
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
freerdp (Red Hat package)
freerdp2 (Ubuntu package)
libuwac0-0
freerdp-debugsource
freerdp-wayland
freerdp-server-debuginfo
freerdp-debuginfo
freerdp-server
freerdp-wayland-debuginfo
libwinpr2
libwinpr2-debuginfo
winpr2-devel
freerdp-devel
libfreerdp2-debuginfo
uwac0-0-devel
libfreerdp2
freerdp
libuwac0-0-debuginfo
freerdp-proxy
freerdp-proxy-debuginfo
libfreerdp2-2
winpr-devel
libwinpr2-2-debuginfo
libfreerdp2-2-debuginfo
libwinpr2-2
freerdp-libs
libwinpr
libwinpr-devel
freerdp-doc
freerdp2-server
freerdp2-proxy
freerdp2-server-debuginfo
freerdp2
freerdp2-devel
freerdp2-proxy-debuginfo
freerdp2-debuginfo
freerdp2-debugsource
freerdp-help

How to mitigate CVE-2026-24676

Install updates from vendor's website.

FreeRDP - update to 3.22.0
freerdp (Red Hat package) - addressed in versions 2.0.0-46.rc4.el8_2.10, 2.1.1-5.el7_9.7, 2.2.0-7.el8_6.5, 2.2.0-12.el8_4, 2.2.0-12.el8_8.5, 2.4.1-3.el9_0.4, 2.4.1-6.el9_2.6, 2.11.2-1.el9_4.5, 2.11.7-1.el9_6.7, 2.11.7-1.el9_7.5, 2.11.7-6.el8_10, 3.10.3-3.el10_0.5, 3.10.3-5.el10_1.5
freerdp2 (Ubuntu package) - addressed in versions 2.2.0+dfsg1-0ubuntu0.18.04.4+esm5, 2.6.1+dfsg1-0ubuntu0.20.04.2+esm3, 2.6.1+dfsg1-3ubuntu2.10, 2.11.5+dfsg1-1ubuntu0.1~esm5, 3.5.1+dfsg1-0ubuntu1.2, 3.16.0+dfsg-2ubuntu0.1
libuwac0-0 - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
freerdp-debugsource - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
freerdp-wayland - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
freerdp-server-debuginfo - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
freerdp-debuginfo - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
freerdp-server - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
freerdp-wayland-debuginfo - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
libwinpr2 - update to 2.4.0-150400.3.38.1
libwinpr2-debuginfo - update to 2.4.0-150400.3.38.1
winpr2-devel - addressed in versions 2.4.0-150400.3.38.1, 2.11.7-150700.3.8.1
freerdp-devel - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
libfreerdp2-debuginfo - update to 2.4.0-150400.3.38.1
uwac0-0-devel - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
libfreerdp2 - update to 2.4.0-150400.3.38.1
freerdp - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
libuwac0-0-debuginfo - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
freerdp-proxy - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
freerdp-proxy-debuginfo - addressed in versions 2.4.0-150400.3.38.1, 2.11.2-150600.4.9.1
libfreerdp2-2 - addressed in versions 2.11.2-150600.4.9.1, 2.11.7-150700.3.8.1
winpr-devel - update to 2.11.2-150600.4.9.1
libwinpr2-2-debuginfo - addressed in versions 2.11.2-150600.4.9.1, 2.11.7-150700.3.8.1
libfreerdp2-2-debuginfo - addressed in versions 2.11.2-150600.4.9.1, 2.11.7-150700.3.8.1
libwinpr2-2 - addressed in versions 2.11.2-150600.4.9.1, 2.11.7-150700.3.8.1
freerdp - update to 2.11.7-6.0.1
freerdp-devel - update to 2.11.7-6.0.1
freerdp-libs - update to 2.11.7-6.0.1
libwinpr - update to 2.11.7-6.0.1
libwinpr-devel - update to 2.11.7-6.0.1
freerdp-doc - update to 2.11.7-6.0.1
freerdp2-server - update to 2.11.7-150700.3.8.1
freerdp2-proxy - update to 2.11.7-150700.3.8.1
freerdp2-server-debuginfo - update to 2.11.7-150700.3.8.1
freerdp2 - update to 2.11.7-150700.3.8.1
freerdp2-devel - update to 2.11.7-150700.3.8.1
freerdp2-proxy-debuginfo - update to 2.11.7-150700.3.8.1
freerdp2-debuginfo - update to 2.11.7-150700.3.8.1
freerdp2-debugsource - update to 2.11.7-150700.3.8.1
freerdp-debuginfo - update to 2.11.8-1
libwinpr-devel - update to 2.11.8-1
freerdp-debugsource - update to 2.11.8-1
freerdp-devel - update to 2.11.8-1
freerdp-help - update to 2.11.8-1
libwinpr - update to 2.11.8-1
freerdp - update to 2.11.8-1

External References

Related Security Bulletins