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freerdp: FreeRDP: Heap buffer overflow via crafted RDPGFX surface updates leads to denial of service and potential code execution.

🗓️ 16 Feb 2026 13:12:12Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

FreeRDP heap overflow in ClearCodec from crafted RDPGFX updates causes DoS and possible code execution when connecting to a malicious server.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.4aarch64freerdp2:2.11.2-1.el9_4.1freerdp-2:2.11.2-1.el9_4.1.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lefreerdp2:2.11.2-1.el9_4.1freerdp-2:2.11.2-1.el9_4.1.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xfreerdp2:2.11.2-1.el9_4.1freerdp-2:2.11.2-1.el9_4.1.s390x.rpm
Red Hat Enterprise Linux9.4x86_64freerdp2:2.11.2-1.el9_4.1freerdp-2:2.11.2-1.el9_4.1.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64freerdp-debuginfo2:2.11.2-1.el9_4.1freerdp-debuginfo-2:2.11.2-1.el9_4.1.aarch64.rpm
Red Hat Enterprise Linux9.4i686freerdp-debuginfo2:2.11.2-1.el9_4.1freerdp-debuginfo-2:2.11.2-1.el9_4.1.i686.rpm
Red Hat Enterprise Linux9.4ppc64lefreerdp-debuginfo2:2.11.2-1.el9_4.1freerdp-debuginfo-2:2.11.2-1.el9_4.1.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xfreerdp-debuginfo2:2.11.2-1.el9_4.1freerdp-debuginfo-2:2.11.2-1.el9_4.1.s390x.rpm
Red Hat Enterprise Linux9.4x86_64freerdp-debuginfo2:2.11.2-1.el9_4.1freerdp-debuginfo-2:2.11.2-1.el9_4.1.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64freerdp-debugsource2:2.11.2-1.el9_4.1freerdp-debugsource-2:2.11.2-1.el9_4.1.aarch64.rpm
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30 Jun 2026 04:33Current
6Medium risk
Vulners AI Score6
CVSS 3.17.6 - 9.8
CVSS 48.7
EPSS0.00443
SSVC
4