CVE-2018-7557

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Source
https://cve.org/CVERecord?id=CVE-2018-7557
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-7557.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-7557
Downstream
Related
Published
2018-02-28T07:29:00.463Z
Modified
2026-03-14T09:31:47.152170Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.

References

Affected packages

Git / git.ffmpeg.org/ffmpeg.git

Affected ranges

Type
GIT
Repo
https://git.ffmpeg.org/ffmpeg.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
7414d0bda7763f9bd69c26c068e482ab297c1c96
Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Introduced
58142a27ea96bf9246586a91a82db85e37646933
Last affected
6a97ba521558ce131fe839eed2d51ff745280e1d
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
140fd653aed8cad774f991ba083e2d01e86420c7
Fixed
e724bd1dd9efea3abb8586d6644ec07694afceae
Database specific 
{
    "versions": [
        {
            "introduced": "2.8"
        },
        {
            "last_affected": "3.4.2"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "8.0"
        }
    ]
}

Affected versions

Other
N
n0.*
n0.11-dev
n0.12-dev
n0.8
n1.*
n1.1-dev
n1.2-dev
n1.3-dev
n2.*
n2.0
n2.1-dev
n2.2-dev
n2.3-dev
n2.4-dev
n2.5-dev
n2.6-dev
n2.7-dev
n2.8-dev
n2.9-dev
n3.*
n3.1-dev
n3.2-dev
n3.3-dev
n3.4
n3.4-dev
n3.4.1
n3.4.2
n3.5-dev
n4.*
n4.1-dev
n4.2-dev
n4.3-dev
n4.4-dev
n4.5-dev
n5.*
n5.1-dev
n5.2-dev
n6.*
n6.1-dev
n6.2-dev
n7.*
n7.1-dev
n7.2-dev
n8.*
n8.0

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-7557.json"
vanir_signatures 
[
    {
        "id": "CVE-2018-7557-c58f81bb",
        "digest": {
            "function_hash": "261170408201920726981716170408581999831",
            "length": 2014.0
        },
        "signature_type": "Function",
        "source": "https://github.com/ffmpeg/ffmpeg/commit/e724bd1dd9efea3abb8586d6644ec07694afceae",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "file": "libavcodec/utvideodec.c",
            "function": "decode_init"
        }
    },
    {
        "id": "CVE-2018-7557-e1a439bc",
        "digest": {
            "line_hashes": [
                "214294340827385027346326899809308912278",
                "319967151764465081227513198959321650619",
                "160860407430123656188533758835378100984",
                "88426036291747426103396839917112951526",
                "322060800242239300558022628811003160243",
                "294584906807958280719769276673771155382",
                "173453050150287002342984267387285969060",
                "28682244462948592149093618534071984159",
                "105041463035589690360197019114153569694",
                "112286002592890528022285994238400706647"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "source": "https://github.com/ffmpeg/ffmpeg/commit/e724bd1dd9efea3abb8586d6644ec07694afceae",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "file": "libavcodec/utvideodec.c"
        }
    }
]