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freerdp: undefined behaviour in zgfx decoder

🗓️ 16 May 2023 08:59:13Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

FreeRDP ZGFX decoder has an out-of-bounds read vulnerability due to missing range check, crashing the client.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64freerdp2:2.2.0-10.el8freerdp-2:2.2.0-10.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lefreerdp2:2.2.0-10.el8freerdp-2:2.2.0-10.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xfreerdp2:2.2.0-10.el8freerdp-2:2.2.0-10.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64freerdp2:2.2.0-10.el8freerdp-2:2.2.0-10.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64freerdp-debuginfo2:2.2.0-10.el8freerdp-debuginfo-2:2.2.0-10.el8.aarch64.rpm
Red Hat Enterprise Linux8i686freerdp-debuginfo2:2.2.0-10.el8freerdp-debuginfo-2:2.2.0-10.el8.i686.rpm
Red Hat Enterprise Linux8ppc64lefreerdp-debuginfo2:2.2.0-10.el8freerdp-debuginfo-2:2.2.0-10.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xfreerdp-debuginfo2:2.2.0-10.el8freerdp-debuginfo-2:2.2.0-10.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64freerdp-debuginfo2:2.2.0-10.el8freerdp-debuginfo-2:2.2.0-10.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64freerdp-debugsource2:2.2.0-10.el8freerdp-debugsource-2:2.2.0-10.el8.aarch64.rpm
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21 Nov 2025 18:40Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.6
EPSS0.0006
4