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tigervnc: Heap buffer overflow in TightDecoder::FilterGradient

🗓️ 29 Sep 2020 20:27:36Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 63 Views

TigerVNC before 1.10.1 has a heap overflow in TightDecoder::FilterGradient enabling code execution.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64tigervnc0:1.8.0-21.el7tigervnc-0:1.8.0-21.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64letigervnc0:1.8.0-21.el7tigervnc-0:1.8.0-21.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xtigervnc0:1.8.0-21.el7tigervnc-0:1.8.0-21.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64tigervnc0:1.8.0-21.el7tigervnc-0:1.8.0-21.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64tigervnc-debuginfo0:1.8.0-21.el7tigervnc-debuginfo-0:1.8.0-21.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64letigervnc-debuginfo0:1.8.0-21.el7tigervnc-debuginfo-0:1.8.0-21.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xtigervnc-debuginfo0:1.8.0-21.el7tigervnc-debuginfo-0:1.8.0-21.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64tigervnc-debuginfo0:1.8.0-21.el7tigervnc-debuginfo-0:1.8.0-21.el7.x86_64.rpm
Red Hat Enterprise Linux7anytigervnc-icons0:1.8.0-21.el7.noarchtigervnc-icons-0:1.8.0-21.el7.noarch.noarch.rpm
Red Hat Enterprise Linux7anytigervnc-license0:1.8.0-21.el7.noarchtigervnc-license-0:1.8.0-21.el7.noarch.noarch.rpm
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25 Jun 2026 10:56Current
6.2Medium risk
Vulners AI Score6.2
CVSS 26.5
CVSS 3.17.2
EPSS0.04277
63