Red Hat Security Advisory: tigervnc security update

Fixed packages 36

Vulnerabilities 3

• High 7.8
  CVE-2024-31083

  Xorg-x11-server: use-after-free in procrenderaddglyphs

  A use-after-free vulnerability was found in the ProcRenderAddGlyphs() function of Xorg servers. This issue occurs when AllocateGlyph() is called to store new glyphs sent by the client to the X server, potentially resulting in multiple entries pointing to the …

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux Alpine Wolfi
  Apr 5, 2024
• High 7.3
  CVE-2024-31080

  Xorg-x11-server: heap buffer overread/data leakage in procxigetselectedevents

  A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIGetSelectedEvents() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly …

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux Alpine Wolfi
  Apr 4, 2024
• High 7.3
  CVE-2024-31081

  Xorg-x11-server: heap buffer overread/data leakage in procxipassivegrabdevice

  A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIPassiveGrabDevice() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly …

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux Alpine Wolfi
  Apr 4, 2024

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2271997
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2271998
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2272000
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_2042.json
• report
  https://access.redhat.com/security/cve/CVE-2024-31080
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-31080
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-31080
• report
  https://access.redhat.com/security/cve/CVE-2024-31081
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-31081
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-31081
• report
  https://access.redhat.com/security/cve/CVE-2024-31083
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-31083
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-31083