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Red Hat Security Advisory 2024-0020-03

Red Hat Security Advisory 2024-0020-03
Posted Jan 3, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0020-03 - An update for tigervnc is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.

tags | advisory
systems | linux, redhat
advisories | CVE-2023-6377
SHA-256 | f1a70bb97cc46c86d18ef2e76c5cef60ea0d12ec6881e3612ba7ee161f2af2e8

Red Hat Security Advisory 2024-0020-03

Change Mirror Download


The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0020.json

Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff




====================================================================
Red Hat Security Advisory

Synopsis: Important: tigervnc security update
Advisory ID: RHSA-2024:0020-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:0020
Issue date: 2024-01-02
Revision: 03
CVE Names: CVE-2023-6377
====================================================================

Summary:

An update for tigervnc is now available for Red Hat Enterprise Linux 9.0 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.




Description:

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: out-of-bounds memory reads/writes in XKB button actions (CVE-2023-6377)

* xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty (CVE-2023-6478)

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.


Solution:

https://access.redhat.com/articles/11258



CVEs:

CVE-2023-6377

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2253291
https://bugzilla.redhat.com/show_bug.cgi?id=2253298

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