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Ubuntu 23: UBT-2024-7482e742bc Urgent: X11VNC Memory Leak

fedora
Calendar Grey January 22, 2024
Dist Fedora Esm H88
Essential updates for Fedora 39 TigerVNC that tackle several security flaws are now available for download through DNF.
CVE fix for: CVE-2023-6816, CVE-2024-0229, CVE-2024-21885, CVE-2024-21886, CVE-2024-0408 and CVE-2024-0409

Summary

Virtual Network Computing (VNC) is a remote display system which

allows you to view a computing 'desktop' environment not only on the

machine where it is running, but from anywhere on the Internet and

from a wide variety of machine architectures. This package contains a

client which will allow you to connect to other desktops running a VNC

server.

Update Information:

CVE fix for: CVE-2023-6816, CVE-2024-0229, CVE-2024-21885, CVE-2024-21886, CVE-2024-0408 and CVE-2024-0409

Topics%20covered

Topics Covered

security advisory update buffer overflow critical Fedora TigerVNC

Change Log

* Tue Jan 16 2024 Jan Grulich - 1.13.1-11 - Rebuild (xorg-x11-server) CVE fix for: CVE-2023-6816, CVE-2024-0229, CVE-2024-21885, CVE-2024-21886, CVE-2024-0408 and CVE-2024-0409

References


[ 1 ] Bug #2258927 - CVE-2023-6816 tigervnc: xorg-x11-server: Heap buffer overflow in DeviceFocusEvent and ProcXIQueryPointer [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2258927 [ 2 ] Bug #2258929 - CVE-2024-0229 tigervnc: xorg-x11-server: reattaching to different master device may lead to out-of-bounds memory access [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2258929 [ 3 ] Bug #2258933 - CVE-2024-21885 tigervnc: xorg-x11-server: heap buffer overflow in XISendDeviceHierarchyEvent [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2258933 [ 4 ] Bug #2258935 - CVE-2024-21886 tigervnc: xorg-x11-server: heap buffer overflow in DisableDevice [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2258935 [ 5 ] Bug #2258976 - TRIAGE CVE-2024-0408 tigervnc: xorg-x11-server: SELinux unlabeled GLX PBuffer [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2258976 [ 6 ] Bug #2258978 - TRIAGE C...

Read the Full Advisory

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-5762d637dd' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
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Name: tigervnc
Product: Fedora 39
Version: 1.13.1
Release: 11.fc39
URL: https://tigervnc.org/
Summary: A TigerVNC remote display system

Topics%20covered

Topics Covered

security advisory update buffer overflow critical Fedora TigerVNC

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