CVE-2020-14397

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Source
https://cve.org/CVERecord?id=CVE-2020-14397
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14397.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-14397
Downstream
Related
Published
2020-06-17T16:15:11.773Z
Modified
2026-08-07T16:35:51.095776Z
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

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.

Database specific 
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            ],
            "source": "CPE_RANGE",
            "extracted_events": [
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                    "introduced": "3.0.0.0"
                },
                {
                    "fixed": "3.2.1.0"
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            ],
            "vendor_product": "siemens:simatic_itc1500_firmware"
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            "source": "CPE_RANGE",
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                },
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            "vendor_product": "canonical:ubuntu_linux"
        },
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING",
            "extracted_events": [
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                },
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                }
            ],
            "vendor_product": "debian:debian_linux"
        },
        {
            "cpes": [
                "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"
            ],
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            "extracted_events": [
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    ]
}
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
0a70095271d845d16a3ed17354841b01f33963ad
Fixed
38e98ee61d74f5f5ab4aa4c77146faad1962d6d0
Database specific
Show details 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*",
    "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/cve-osv-conversion/osv-output/CVE-2020-14397.json"
vanir_signatures 
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        },
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            "file": "libvncserver/rfbserver.c"
        },
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vanir_signatures_modified 
"2026-08-07T16:35:51Z"