CVE-2019-17539

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Source
https://cve.org/CVERecord?id=CVE-2019-17539
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-17539.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-17539
Downstream
Related
Published
2019-10-14T02:15:10.513Z
Modified
2026-03-15T14:34:48.640393Z
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

In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.

References

Affected packages

Git / github.com/ffmpeg/ffmpeg

Affected ranges

Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
289a79d545e83a97f5cdd00b28ce70638dae53e8
Introduced
ace829cb45cff530b8a0aed6adf18f329d7a98f6
Fixed
26e1d0d015bb11ab0383729c52cfca4fd9cf4e79
Introduced
3c1ecb057d7621e57968624aa15ad3e9efc819f7
Fixed
4521700f295f35da4768f88b570e0836a858ce7b
Fixed
8df6884832ec413cf032dfaa45c23b1c7876670c
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.4.7"
        },
        {
            "introduced": "4.0"
        },
        {
            "fixed": "4.0.5"
        },
        {
            "introduced": "4.1"
        },
        {
            "fixed": "4.1.5"
        }
    ]
}

Affected versions

n4.*
n4.0
n4.0.1
n4.0.2
n4.0.3
n4.0.4
n4.1
n4.1-dev
n4.1.1
n4.1.2
n4.1.3
n4.1.4
n4.2-dev

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "20.04"
            }
        ]
    }
]
vanir_signatures 
[
    {
        "deprecated": false,
        "id": "CVE-2019-17539-1794bf98",
        "target": {
            "file": "libavcodec/utils.c",
            "function": "avcodec_open2"
        },
        "digest": {
            "function_hash": "205206128562018730369807501325477623210",
            "length": 17416.0
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/ffmpeg/ffmpeg/commit/8df6884832ec413cf032dfaa45c23b1c7876670c"
    },
    {
        "deprecated": false,
        "id": "CVE-2019-17539-64ec3124",
        "target": {
            "file": "libavcodec/utils.c"
        },
        "digest": {
            "line_hashes": [
                "220330626061826535315657386462474702952",
                "284434091912125655641126633699664364654",
                "169031453947109328122480615508055499488",
                "274679704614273153990806559594132734773"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/ffmpeg/ffmpeg/commit/8df6884832ec413cf032dfaa45c23b1c7876670c"
    },
    {
        "deprecated": false,
        "id": "CVE-2019-17539-89be5de9",
        "target": {
            "file": "libavformat/hlsenc.c",
            "function": "hls_write_trailer"
        },
        "digest": {
            "function_hash": "319021067119698628255415066517927384702",
            "length": 3260.0
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/ffmpeg/ffmpeg/commit/4521700f295f35da4768f88b570e0836a858ce7b"
    },
    {
        "deprecated": false,
        "id": "CVE-2019-17539-def83151",
        "target": {
            "file": "libavformat/hlsenc.c"
        },
        "digest": {
            "line_hashes": [
                "111757355275855299767214097555503833425",
                "332776709410158749058424084520384076278",
                "126244308190247979754930455471757737376",
                "94499542832375321740817633492542024465",
                "130172128018366235132297832589555939800",
                "55536100370799741404976270153852322799",
                "178437194551693198799431818210633522790",
                "212929257175167450126831190360563960264",
                "62370169604886578115909868256949237475",
                "129049294233240527051413687895358407876",
                "286287738882113096420417966736547438098",
                "243635147339143298832966112516759698288",
                "272776886790752221810033028800273149150",
                "9747124137513848496923527654951202606",
                "301927968725738236165575381671008622991",
                "192183203489963350993466951267713113650",
                "122011600157872378775713225314617790943",
                "25213801080174912976460312183375057971",
                "74233774275043259138930394312098586340",
                "241426111203459057517320451984683680334",
                "255987871053178237141709543074309270079",
                "273577814075419466154781616910945826301"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/ffmpeg/ffmpeg/commit/4521700f295f35da4768f88b570e0836a858ce7b"
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-17539.json"