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Red Hat: CVE-2020-25708: CVE-2020-25708 libvncserver: libvncserver/rfbserver.c has a divide by zero which could result in DoS (Multiple Advisories)

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Red Hat: CVE-2020-25708: CVE-2020-25708 libvncserver: libvncserver/rfbserver.c has a divide by zero which could result in DoS (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
11/27/2020
Created
05/21/2021
Added
05/21/2021
Modified
12/15/2023

Description

A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.

Solution(s)

  • redhat-upgrade-libvncserver
  • redhat-upgrade-libvncserver-debuginfo
  • redhat-upgrade-libvncserver-debugsource
  • redhat-upgrade-libvncserver-devel

References

  • CVE-2020-25708
  • RHSA-2021:1811

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