CVE-2018-8785

Source
https://cve.org/CVERecord?id=CVE-2018-8785
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8785.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-8785
Downstream
Related
Published
2018-11-29T18:29:00.850Z
Modified
2026-07-08T20:05:01.469690Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress() that results in a memory corruption and probably even a remote code execution.

Database specific
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "1.2.0"
                }
            ],
            "source": "CPE_RANGE",
            "vendor_product": "freerdp:freerdp",
            "cpes": [
                "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*"
            ]
        },
        {
            "extracted_events": [
                {
                    "introduced": "18.04"
                },
                {
                    "last_affected": "18.04"
                },
                {
                    "introduced": "18.10"
                },
                {
                    "last_affected": "18.10"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "canonical:ubuntu_linux",
            "cpes": [
                "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages

Git / github.com/freerdp/freerdp

Affected ranges

Type
GIT
Repo
https://github.com/freerdp/freerdp
Events
Database specific
{
    "extracted_events": [
        {
            "introduced": "2.0.0-rc1"
        },
        {
            "last_affected": "2.0.0-rc1"
        },
        {
            "introduced": "2.0.0-rc2"
        },
        {
            "last_affected": "2.0.0-rc2"
        },
        {
            "introduced": "2.0.0-rc3"
        },
        {
            "last_affected": "2.0.0-rc3"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ],
    "cpe": [
        "cpe:2.3:a:freerdp:freerdp:2.0.0:rc1:*:*:*:*:*:*",
        "cpe:2.3:a:freerdp:freerdp:2.0.0:rc2:*:*:*:*:*:*",
        "cpe:2.3:a:freerdp:freerdp:2.0.0:rc3:*:*:*:*:*:*"
    ]
}

Affected versions

2.*
2.0.0-rc1
2.0.0-rc2
2.0.0-rc3

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8785.json"
vanir_signatures_modified
"2026-07-08T20:05:01Z"
vanir_signatures
[
    {
        "digest": {
            "line_hashes": [
                "171318857615434305103868353373347401026",
                "126879061704302225276850893636598577061",
                "288643554774339084636302020916721372641",
                "159575444503892091637188374424194233139",
                "125803571012187168895245295538840102256",
                "108301676587632000074685429447527943786",
                "89964981123251029047856481982713146609",
                "28465286330426044407674087024628006927",
                "193279538454069526369357701508561593718",
                "255025816971852424310420464121101197015",
                "187165041423917341570922348636573559671",
                "297328310955153656922954370780556935392",
                "114946725377952051774154391136204482136",
                "281565084121182456440438764274530564272",
                "169132286192010401475866937038799914034",
                "21022000495400926784530149428950853035",
                "194185210989642556862374418840857631169",
                "290394900242427724301642579796475088070",
                "63040545597896007387126346079048702373",
                "22947327746539632036195003880151043527",
                "271294670260486936320213940862031675261",
                "40276754901763998729403347250462254840",
                "282953022741559062865115942210257831115",
                "218481686813916003269010678079394500200",
                "138285938561986672094772847282166150604",
                "82154962552781615333622910154204477798"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2018-8785-3d6dbd58",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/freerdp/freerdp/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d",
        "signature_type": "Line",
        "target": {
            "file": "include/freerdp/codec/zgfx.h"
        }
    },
    {
        "digest": {
            "line_hashes": [
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                "153924358498147806064550232867249625971",
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                "198164708002154154246585153268708514531",
                "134026908840211233980241665155009683149",
                "138250544759356659348855944840383257036",
                "210485603361963462901156634949968695014",
                "100840972518471233083017063461192225496",
                "70288751856035211943902779333071366924",
                "177574237666916054501961411928866636758",
                "161221231866629027214656856789443898455",
                "101872172283870639836839087345183776244",
                "183004235591668635388793416221527180952",
                "298437649471649633217563878836004963970",
                "162385472100725117259729598207822881628",
                "41129031060202863644482772229506692175",
                "163544055115317878678278670022642165044",
                "44557879043890664797803257575318115529",
                "248742884465377031765431311570760123739",
                "7208140483740697429081407101494720205",
                "250513356280408871578634457956152772412",
                "204253732601500993850061503682101931295",
                "317842043031219052224841167671528814571",
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                "72487069367910799934599230940372489812",
                "32115507658897446478508603880977138723",
                "250190675394565693826732313645398674976",
                "134205791729633565030808541705002392880",
                "37932144653196509795294570565074252538",
                "173730070127955936737766131057075985370",
                "322911572113625092808556063360395738938",
                "312520690869848661702533878685298524250",
                "232327484580217803780027448402567734932",
                "338462065946862999126197961769730097949",
                "29450727171727428683931461226081381870",
                "157180894746439829196264389133068891759",
                "28817316948103371617366834546336744576"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2018-8785-4107a888",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/freerdp/freerdp/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d",
        "signature_type": "Line",
        "target": {
            "file": "libfreerdp/codec/zgfx.c"
        }
    },
    {
        "digest": {
            "function_hash": "125155827918534110536639891402660234831",
            "length": 2501.0
        },
        "id": "CVE-2018-8785-53557f21",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/freerdp/freerdp/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d",
        "signature_type": "Function",
        "target": {
            "function": "zgfx_decompress_segment",
            "file": "libfreerdp/codec/zgfx.c"
        }
    },
    {
        "digest": {
            "function_hash": "291893467602469246699847469917400173775",
            "length": 1342.0
        },
        "id": "CVE-2018-8785-b37ca04e",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/freerdp/freerdp/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d",
        "signature_type": "Function",
        "target": {
            "function": "zgfx_decompress",
            "file": "libfreerdp/codec/zgfx.c"
        }
    }
]