CVE-2016-6870

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Source
https://nvd.nist.gov/vuln/detail/CVE-2016-6870
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-6870.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2016-6870
Downstream
Published
2017-02-17T17:59:00Z
Modified
2025-10-15T08:22:20.890451Z
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

Out-of-bounds write in the (1) mbdetectencoding, (2) mbsendmail, and (3) mbdetectorder functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

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
Fixed
365abe807cab2d60dc9ec307292a06181f77a9c2

Affected versions

HPHP-2.*

HPHP-2.1.0

gcc-4.*

gcc-4.6

Other

pre-hhvm
src-hphp

Database specific

vanir_signatures

[
    {
        "source": "https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2",
        "target": {
            "file": "hphp/runtime/ext/mbstring/ext_mbstring.cpp",
            "function": "HHVM_FUNCTION"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "function_hash": "114867977983050212622086541014123241687",
            "length": 743.0
        },
        "signature_type": "Function",
        "id": "CVE-2016-6870-2353ec81"
    },
    {
        "source": "https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2",
        "target": {
            "file": "hphp/runtime/ext/mbstring/ext_mbstring.cpp",
            "function": "php_mb_parse_encoding_list"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "function_hash": "270621287774978279388612230843535800769",
            "length": 2008.0
        },
        "signature_type": "Function",
        "id": "CVE-2016-6870-2862bb51"
    },
    {
        "source": "https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2",
        "target": {
            "file": "hphp/runtime/ext/mbstring/ext_mbstring.cpp",
            "function": "HHVM_FUNCTION"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "function_hash": "175255850959260944074864044220242170057",
            "length": 5763.0
        },
        "signature_type": "Function",
        "id": "CVE-2016-6870-a8421221"
    },
    {
        "source": "https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2",
        "target": {
            "file": "hphp/runtime/ext/mbstring/ext_mbstring.cpp"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "81291799294188044419548885898863677444",
                "334129936753055698817279323363287062517",
                "119278207352512672874726475502463482756",
                "77651973085436656010384534963122412574",
                "94884553628404518757678110093925819778",
                "260785380391309779635231137551516188119",
                "16843447221246167481018524247081160718",
                "47178538942963173336066979426644628877",
                "290236221207822939983104984779229590118",
                "325851553724617011024362058007504376690",
                "253125444924017764730328807985166328798",
                "43704474159867741125858855596264482691",
                "257196312143380971199354157581017246090",
                "207855001147430909639613377775071193721",
                "18470550886304385424830755752223850259",
                "163682291015810480412958215389671555798",
                "325753258617333112613492363063622703908",
                "162295224490180534297809903294035776501",
                "270516219035561687025897415853200029503",
                "121730556713594639371123614625056346901",
                "245562915012402172616228977174907929715",
                "232957166942843570282427365708910162210",
                "115405333803912561378260058027951784897",
                "161551525406625399162954204231453110010",
                "45057152956111871477337737351579440918",
                "172731990688014598911404433934925413503",
                "27182391788903601565610132609166556725",
                "202054158224965658132069364185701956394"
            ]
        },
        "signature_type": "Line",
        "id": "CVE-2016-6870-d413b750"
    }
]