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libvncserver: websocket decoding buffer overflow

🗓️ 10 Aug 2020 14:20:50Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Heap overflow in libvncserver websocket decoding may overwrite a pointer, risking confidentiality, integrity, and availability.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64libvncserver0:0.9.11-15.el8_2.1libvncserver-0:0.9.11-15.el8_2.1.aarch64.rpm
Red Hat Enterprise Linux8ppc64lelibvncserver0:0.9.11-15.el8_2.1libvncserver-0:0.9.11-15.el8_2.1.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibvncserver0:0.9.11-15.el8_2.1libvncserver-0:0.9.11-15.el8_2.1.s390x.rpm
Red Hat Enterprise Linux8x86_64libvncserver0:0.9.11-15.el8_2.1libvncserver-0:0.9.11-15.el8_2.1.x86_64.rpm
Red Hat Enterprise Linux8anylibvncserver0:0.9.11-15.el8_2.1.i686libvncserver-0:0.9.11-15.el8_2.1.i686.noarch.rpm
Red Hat Enterprise Linux8aarch64libvncserver-debuginfo0:0.9.11-15.el8_2.1libvncserver-debuginfo-0:0.9.11-15.el8_2.1.aarch64.rpm
Red Hat Enterprise Linux8ppc64lelibvncserver-debuginfo0:0.9.11-15.el8_2.1libvncserver-debuginfo-0:0.9.11-15.el8_2.1.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibvncserver-debuginfo0:0.9.11-15.el8_2.1libvncserver-debuginfo-0:0.9.11-15.el8_2.1.s390x.rpm
Red Hat Enterprise Linux8x86_64libvncserver-debuginfo0:0.9.11-15.el8_2.1libvncserver-debuginfo-0:0.9.11-15.el8_2.1.x86_64.rpm
Red Hat Enterprise Linux8anylibvncserver-debuginfo0:0.9.11-15.el8_2.1.i686libvncserver-debuginfo-0:0.9.11-15.el8_2.1.i686.noarch.rpm
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25 Jun 2026 10:56Current
6Medium risk
Vulners AI Score6
CVSS 27.5
CVSS 3.19.8
EPSS0.02259
5