CVE-2020-25708

Source
https://cve.org/CVERecord?id=CVE-2020-25708
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25708.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-25708
Downstream
Related
Published
2020-11-27T18:15:11.627Z
Modified
2026-04-16T00:01:26.023092119Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "6.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "7.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/libvnc/libvncserver

Affected ranges

Type
GIT
Repo
https://github.com/libvnc/libvncserver
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Database specific
{
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:libvncserver_project:libvncserver:0.9.12:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.9.12"
        }
    ]
}

Affected versions

LibVNCServer-0.*
LibVNCServer-0.9.10
LibVNCServer-0.9.11
LibVNCServer-0.9.12
LibVNCServer-0.9.8
LibVNCServer-0.9.9
Other
X11VNC_0_9_10
X11VNC_0_9_11
X11VNC_0_9_12
X11VNC_0_9_7
X11VNC_0_9_8
X11VNC_0_9_9
X11VNC_REL_0_9_4
X11VNC_REL_0_9_5
X11VNC_REL_0_9_6

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25708.json"