Skip to content
OpenAdvisories
Medium ALSA-2023:2257 6 CVEs

Moderate: tigervnc security and bug fix update

Published May 9, 2023 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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: XkbGetKbdByName use-after-free (CVE-2022-4283)
* xorg-x11-server: XTestSwapFakeInput stack overflow (CVE-2022-46340)
* xorg-x11-server: XIPassiveUngrab out-of-bounds access (CVE-2022-46341)
* xorg-x11-server: XvdiSelectVideoNotify use-after-free (CVE-2022-46342)
* xorg-x11-server: ScreenSaverSetAttributes use-after-free (CVE-2022-46343)
* xorg-x11-server: XIChangeProperty out-of-bounds access (CVE-2022-46344)

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.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Fixed packages 7

ReleasePackageFixed in
AlmaLinux · 9 tigervnc 1.12.0-13.el9_2
AlmaLinux · 9 tigervnc-icons 1.12.0-13.el9_2
AlmaLinux · 9 tigervnc-license 1.12.0-13.el9_2
AlmaLinux · 9 tigervnc-selinux 1.12.0-13.el9_2
AlmaLinux · 9 tigervnc-server 1.12.0-13.el9_2
AlmaLinux · 9 tigervnc-server-minimal 1.12.0-13.el9_2
AlmaLinux · 9 tigervnc-server-module 1.12.0-13.el9_2

Vulnerabilities 6

References

  • report
    https://access.redhat.com/security/cve/CVE-2022-4283
  • report
    https://access.redhat.com/security/cve/CVE-2022-46340
  • report
    https://access.redhat.com/security/cve/CVE-2022-46341
  • report
    https://access.redhat.com/security/cve/CVE-2022-46342
  • report
    https://access.redhat.com/security/cve/CVE-2022-46343
  • report
    https://access.redhat.com/security/cve/CVE-2022-46344
  • report
    https://bugzilla.redhat.com/2151755
  • report
    https://bugzilla.redhat.com/2151756
  • report
    https://bugzilla.redhat.com/2151757
  • report
    https://bugzilla.redhat.com/2151758
  • report
    https://bugzilla.redhat.com/2151760
  • report
    https://bugzilla.redhat.com/2151761
  • advisory
    https://errata.almalinux.org/9/ALSA-2023-2257.html