CVE-2020-25708
HIGHlibvncserver 0.9.12 - Denial of Service via Divide By Zero
Title source: llmDescription
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.
References (2)
Core 2
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1896739
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/09/msg00035.html
Scores
CVSS v3
7.5
EPSS
0.0071
EPSS Percentile
72.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-369
Status
published
Products (5)
debian/debian_linux
10.0
libvncserver_project/libvncserver
0.9.12
redhat/enterprise_linux
6.0
redhat/enterprise_linux
7.0
redhat/enterprise_linux
8.0
Published
Nov 27, 2020
Tracked Since
Feb 18, 2026