CVE-2018-6334

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Source
https://cve.org/CVERecord?id=CVE-2018-6334
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6334.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-6334
Downstream
Published
2018-12-31T19:29:00.323Z
Modified
2026-04-11T11:39:53.210597Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Multipart-file uploads call variables to be improperly registered in the global scope. In cases where variables are not declared explicitly before being used this can lead to unexpected behavior. This affects all supported versions of HHVM prior to the patch (3.25.1, 3.24.5, and 3.21.9 and below).

References

Affected packages

Git / github.com/facebook/hhvm

Affected ranges

Type
GIT
Repo
https://github.com/facebook/hhvm
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
c8659a24fd0d099e23ab04278fcb68380b71a1fd
Introduced
fff094b066f4780b175befeb9ba949f9dcf73d8c
Last affected
da1bf9ddfab87c19c90785c8794bc4e3533de789
Introduced
5f227331c426ef58513feb5c92ffd0a705067b2f
Last affected
b5bd3e2272db13534483b1955e00931b3347068c
Fixed
6937de5544c3eead3466b75020d8382080ed0cff
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.21.9"
        },
        {
            "introduced": "3.21.10"
        },
        {
            "last_affected": "3.24.5"
        },
        {
            "introduced": "3.24.6"
        },
        {
            "last_affected": "3.25.1"
        }
    ]
}

Affected versions

HHVM-3.*
HHVM-3.21.0
HHVM-3.21.1
HHVM-3.21.2
HHVM-3.21.3
HHVM-3.21.4
HHVM-3.21.5
HHVM-3.21.6
HHVM-3.21.7
HHVM-3.21.8
HHVM-3.21.9
HHVM-3.24.0
HHVM-3.24.1
HHVM-3.24.2
HHVM-3.24.3
HHVM-3.24.4
HHVM-3.24.5
HHVM-3.25.0
HHVM-3.25.1
HPHP-2.*
HPHP-2.1.0
gcc-4.*
gcc-4.6
Other
pre-hhvm
src-hphp

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6334.json"
vanir_signatures 
[
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 9934.0,
            "function_hash": "175828752513475780617821429293548006380"
        },
        "source": "https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff",
        "target": {
            "function": "rfc1867PostHandler",
            "file": "hphp/runtime/server/upload.cpp"
        },
        "id": "CVE-2018-6334-734d7878"
    },
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        "signature_version": "v1",
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            "threshold": 0.9
        },
        "source": "https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff",
        "target": {
            "file": "hphp/runtime/server/upload.cpp"
        },
        "id": "CVE-2018-6334-b5d732fc"
    }
]
vanir_signatures_modified 
"2026-04-11T11:39:53Z"