CVE-2020-25708

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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
2026-07-07T08:51:35.935553629Z
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": [
        {
            "vendor_product": "debian:debian_linux",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING",
            "extracted_events": [
                {
                    "introduced": "10.0"
                },
                {
                    "last_affected": "10.0"
                }
            ]
        },
        {
            "vendor_product": "redhat:enterprise_linux",
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "6.0"
                },
                {
                    "last_affected": "6.0"
                },
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                },
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                }
            ],
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/libvnc/libvncserver

Affected ranges

Type
GIT
Repo
https://github.com/libvnc/libvncserver
Events
Introduced
0a70095271d845d16a3ed17354841b01f33963ad
Last affected
0a70095271d845d16a3ed17354841b01f33963ad
Database specific 
{
    "cpe": "cpe:2.3:a:libvncserver_project:libvncserver:0.9.12:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0.9.12"
        },
        {
            "last_affected": "0.9.12"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

0.*
0.9.12
LibVNCServer-0.*
LibVNCServer-0.9.12

Database specific

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