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Fedora 25 gtk-vnc Security Update: Critical Buffer and Integer Overflows

fedora
Calendar Grey February 10, 2017
Dist Fedora Esm H88
Fedora 26 gtk-vnc enhancement addresses significant vulnerabilities including CVE-2017-5886 and CVE-2017-5887, reinforcing overall system security.
Security fix for CVE-2017-5884, CVE-2017-5885

Summary

gtk-vnc is a VNC viewer widget for GTK2. It is built using coroutines

allowing it to be completely asynchronous while remaining single threaded.

Update Information:

Security fix for CVE-2017-5884, CVE-2017-5885

Topics%20covered

Topics Covered

security advisory buffer overflow critical Fedora remote access integer overflow gtk-vnc

Change Log

References


[ 1 ] Bug #1418944 - CVE-2017-5884 gtk-vnc: Improper check of framebuffer boundaries when processing a tile https://bugzilla.redhat.com/show_bug.cgi?id=1418944 [ 2 ] Bug #1418952 - CVE-2017-5885 gtk-vnc: Integer overflow when processing SetColorMapEntries https://bugzilla.redhat.com/show_bug.cgi?id=1418952

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade gtk-vnc' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
critical
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Name: gtk-vnc
Product: Fedora 25
Version: 0.7.0
Release: 1.fc25
URL:
Summary: A GTK2 widget for VNC clients

Topics%20covered

Topics Covered

security advisory buffer overflow critical Fedora remote access integer overflow gtk-vnc

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