CVE-2018-8786

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Source
https://cve.org/CVERecord?id=CVE-2018-8786
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8786.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-8786
Downstream
Related
Published
2018-11-29T18:29:00.897Z
Modified
2026-04-16T06:16:28.408366628Z
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 an Integer Truncation that leads to a Heap-Based Buffer Overflow in function updatereadbitmap_update() and results in a memory corruption and probably even a remote code execution.

References

Affected packages

Git / github.com/freerdp/freerdp

Affected ranges

Type
GIT
Repo
https://github.com/freerdp/freerdp
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
84f8161897534d9263ffebe43092827d40fc7ffb
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
7a7b180277a9c04809bf07a54882d7c33eeeb9f9
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
a4f147683db7aa99a6075aeaf7c698bc6ba84d11
Fixed
445a5a42c500ceb80f8fa7f2c11f3682538033f3
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.0.0-rc1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.0.0-rc2"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.0.0-rc3"
        }
    ]
}

Affected versions

1.*
1.0-beta1
1.0-beta2
1.0-beta4
1.0-beta5
1.0.0
1.0.1
1.1.0-beta+2013071101
1.1.0-beta1
1.1.0-beta1+android2
1.1.0-beta1+android3
1.1.0-beta1+android4
1.1.0-beta1+android5
1.1.0-beta1+ios1
1.1.0-beta1+ios2
1.1.0-beta1+ios3
1.1.0-beta1+ios4
1.2.0-beta1+android7
1.2.0-beta1+android9
2.*
2.0.0-beta1+android10
2.0.0-beta1+android11
2.0.0-rc0
2.0.0-rc1
2.0.0-rc2
2.0.0-rc3

Database specific

vanir_signatures 
[
    {
        "source": "https://github.com/freerdp/freerdp/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3",
        "target": {
            "file": "libfreerdp/core/update.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2018-8786-329bcc0f",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "277412402092088770970227068718825036570",
                "19949609365906676926611150519084190162",
                "173837865023928608710399833805419044716",
                "38405521424971384750527164843034544433",
                "381943150044839693544949876781249402",
                "84888265312188415829015054362422333548",
                "64004066360059197763567408381924309212",
                "18415665860704505989511078769674884176"
            ]
        }
    },
    {
        "digest": {
            "length": 834.0,
            "function_hash": "257981003131345004245955199540566677553"
        },
        "id": "CVE-2018-8786-bd281f72",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/freerdp/freerdp/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3",
        "target": {
            "function": "update_read_bitmap_update",
            "file": "libfreerdp/core/update.c"
        }
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8786.json"
vanir_signatures_modified 
"2026-04-11T11:39:55Z"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "1.2.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "28"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.6"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.6"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.6"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    }
]