Red Hat alert RHSA-2024:0626-01 (tigervnc)

An update for tigervnc is now available for Red Hat Enterprise Linux 9.2
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

Virtual Network Computing (VNC) is a remote display system which allows users
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. TigerVNC is a suite of VNC servers and clients.

Security Fix(es):

* xorg-x11-server: Heap buffer overflow in DeviceFocusEvent and
ProcXIQueryPointer (CVE-2023-6816)

* xorg-x11-server: reattaching to different master device may lead to
out-of-bounds memory access (CVE-2024-0229)

* xorg-x11-server: heap buffer overflow in XISendDeviceHierarchyEvent
(CVE-2024-21885)

* xorg-x11-server: heap buffer overflow in DisableDevice (CVE-2024-21886)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0626.json