-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: tigervnc security update Advisory ID: RHSA-2023:0663-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:0663 Issue date: 2023-02-08 CVE Names: CVE-2023-0494 ==================================================================== 1. Summary: An update for tigervnc is now available for Red Hat Enterprise Linux 8.6 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream EUS (v.8.6) - aarch64, noarch, ppc64le, s390x, x86_64 3. 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: DeepCopyPointerClasses use-after-free leads to privilege elevation (CVE-2023-0494) 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. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2165995 - CVE-2023-0494 xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation 6. Package List: Red Hat Enterprise Linux AppStream EUS (v.8.6): Source: tigervnc-1.12.0-6.el8_6.1.src.rpm aarch64: tigervnc-1.12.0-6.el8_6.1.aarch64.rpm tigervnc-debuginfo-1.12.0-6.el8_6.1.aarch64.rpm tigervnc-debugsource-1.12.0-6.el8_6.1.aarch64.rpm tigervnc-server-1.12.0-6.el8_6.1.aarch64.rpm tigervnc-server-debuginfo-1.12.0-6.el8_6.1.aarch64.rpm tigervnc-server-minimal-1.12.0-6.el8_6.1.aarch64.rpm tigervnc-server-minimal-debuginfo-1.12.0-6.el8_6.1.aarch64.rpm tigervnc-server-module-1.12.0-6.el8_6.1.aarch64.rpm tigervnc-server-module-debuginfo-1.12.0-6.el8_6.1.aarch64.rpm noarch: tigervnc-icons-1.12.0-6.el8_6.1.noarch.rpm tigervnc-license-1.12.0-6.el8_6.1.noarch.rpm tigervnc-selinux-1.12.0-6.el8_6.1.noarch.rpm ppc64le: tigervnc-1.12.0-6.el8_6.1.ppc64le.rpm tigervnc-debuginfo-1.12.0-6.el8_6.1.ppc64le.rpm tigervnc-debugsource-1.12.0-6.el8_6.1.ppc64le.rpm tigervnc-server-1.12.0-6.el8_6.1.ppc64le.rpm tigervnc-server-debuginfo-1.12.0-6.el8_6.1.ppc64le.rpm tigervnc-server-minimal-1.12.0-6.el8_6.1.ppc64le.rpm tigervnc-server-minimal-debuginfo-1.12.0-6.el8_6.1.ppc64le.rpm tigervnc-server-module-1.12.0-6.el8_6.1.ppc64le.rpm tigervnc-server-module-debuginfo-1.12.0-6.el8_6.1.ppc64le.rpm s390x: tigervnc-1.12.0-6.el8_6.1.s390x.rpm tigervnc-debuginfo-1.12.0-6.el8_6.1.s390x.rpm tigervnc-debugsource-1.12.0-6.el8_6.1.s390x.rpm tigervnc-server-1.12.0-6.el8_6.1.s390x.rpm tigervnc-server-debuginfo-1.12.0-6.el8_6.1.s390x.rpm tigervnc-server-minimal-1.12.0-6.el8_6.1.s390x.rpm tigervnc-server-minimal-debuginfo-1.12.0-6.el8_6.1.s390x.rpm tigervnc-server-module-1.12.0-6.el8_6.1.s390x.rpm tigervnc-server-module-debuginfo-1.12.0-6.el8_6.1.s390x.rpm x86_64: tigervnc-1.12.0-6.el8_6.1.x86_64.rpm tigervnc-debuginfo-1.12.0-6.el8_6.1.x86_64.rpm tigervnc-debugsource-1.12.0-6.el8_6.1.x86_64.rpm tigervnc-server-1.12.0-6.el8_6.1.x86_64.rpm tigervnc-server-debuginfo-1.12.0-6.el8_6.1.x86_64.rpm tigervnc-server-minimal-1.12.0-6.el8_6.1.x86_64.rpm tigervnc-server-minimal-debuginfo-1.12.0-6.el8_6.1.x86_64.rpm tigervnc-server-module-1.12.0-6.el8_6.1.x86_64.rpm tigervnc-server-module-debuginfo-1.12.0-6.el8_6.1.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2023-0494 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBY+O++tzjgjWX9erEAQgCYw//YrWlkNmZpxAZx4T2q2pR/UmsuLy+2oXW cXTkTzE2Vx2ecI2B43EXRqSEjw2HYwKo4bnTIczl6+0kwxGPpAlVEAR9flxansz0 eKn4Bunfdz9OP1uV9GH2Qst24X023fj72G6bNTPxxZa0fo6fipfTFJ6q67+oxIcx O6Rb5TR2aRA51cGgKFy/QkT750BI7YX7qqvY6xm3bSpHxisOgoX21gctUsNxqW1N F/iIH/SKfEVWCp5b4R39fILwE38C+bMzhUl2IaTKis0y2MDR72XbCrQzLCTYIDqD mrWjRjZnQ8iqbWR8+6zPn2ZwFDUrohjKmK1HESAqKfEOz9P7c+NGYJc6f3eamV2V Vt0aF0KiuYyMbaSarbnbOlB54py4iCLbDT3nM7J4aDzLAytxvcCNtcFnvvtHmWrn S0yDZV0ZOSqAK5f4obL9fJ6Navcdfe8MUqTHZBWiMiZxkfjokHF3C0/5doXzdZl/ DEZS1ER5HESZH930EoUdvXSSbl0+0s4eIsri9queitd6VcqfwzvoelaUBAAIfxWl 0DRiiyZAfU9qjEpmUeh0lNI7SFjNkBkq3jAgtaKrt4EX9zVcnqSWGgJwqLdHR3u1 aOKMGbutHRbKAJbXDCSloh70pPxkdNNVV3OBuAdcO+HWQq9ECiZ+SVDSkiZG7cmI z7Z29qED1WY=aTci -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce