CVE-2020-14401

See a problem?
Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2020-14401
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14401.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-14401
Downstream
Related
Published
2020-06-17T16:15:12Z
Modified
2025-10-21T05:32:49.153562Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CVSS Calculator
Summary
[none]
Details

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.

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
Fixed
a6788d1da719ae006605b78d22f5a9f170b423af

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

vanir_signatures

[
    {
        "id": "CVE-2020-14401-b9e34590",
        "signature_version": "v1",
        "source": "https://github.com/libvnc/libvncserver/commit/a6788d1da719ae006605b78d22f5a9f170b423af",
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "248208949429347463031521643800921156886",
                "267256123706877668341539977664866338222",
                "69871433148263572302381190377581994547",
                "163000897568946296525180340287495104796"
            ]
        },
        "deprecated": false,
        "target": {
            "file": "libvncserver/scale.c"
        }
    },
    {
        "id": "CVE-2020-14401-f7899987",
        "signature_version": "v1",
        "source": "https://github.com/libvnc/libvncserver/commit/a6788d1da719ae006605b78d22f5a9f170b423af",
        "signature_type": "Function",
        "digest": {
            "function_hash": "285897253734337289413665599072403539224",
            "length": 3173.0
        },
        "deprecated": false,
        "target": {
            "function": "rfbScaledScreenUpdateRect",
            "file": "libvncserver/scale.c"
        }
    }
]