CVE-2020-35964

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Source
https://cve.org/CVERecord?id=CVE-2020-35964
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35964.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-35964
Downstream
Related
Published
2021-01-03T19:15:11.720Z
Modified
2026-03-14T10:29:36.754542Z
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

track_header in libavformat/vividas.c in FFmpeg 4.3.1 has an out-of-bounds write because of incorrect extradata packing.

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
Last affected
6b6b9e593dd4d3aaf75f48d40a13ef03bdef9fdb
Fixed
27a99e2c7d450fef15594671eef4465c8a166bd7
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "4.3.1"
        }
    ]
}

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-dev
n3.5-dev
n4.*
n4.1-dev
n4.2-dev
n4.3
n4.3-dev
n4.3.1

Database specific

vanir_signatures 
[
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "target": {
            "file": "libavformat/vividas.c",
            "function": "track_header"
        },
        "id": "CVE-2020-35964-0f156ff9",
        "deprecated": false,
        "source": "https://github.com/ffmpeg/ffmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7",
        "digest": {
            "function_hash": "10276585309990227696075281458891561069",
            "length": 3384.0
        }
    },
    {
        "signature_type": "Line",
        "signature_version": "v1",
        "target": {
            "file": "libavformat/vividas.c"
        },
        "id": "CVE-2020-35964-ee6b3729",
        "deprecated": false,
        "source": "https://github.com/ffmpeg/ffmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7",
        "digest": {
            "line_hashes": [
                "525220999456771788212427340728994532",
                "317307677012499269104552687143356229094",
                "176363839622445295858762660691841516745",
                "43016194688168285533120225362894370751",
                "286042928014928739281680011525269130541",
                "11992140142306964629683768603922020439",
                "200843498105875523833003801902439723737",
                "39197240954016635089876379214511819819",
                "281417731946186976767554153478378754190",
                "203532130500819324495404539649090814028",
                "304080042666092356809505296181497057150",
                "226802671110702742982797614535487385524",
                "73082539325848717179228355520517924855",
                "79775762244740831969228940730835702535",
                "143250374037328722978253924629184378451",
                "176687105145931248001790678730593095432",
                "114681025252844250937220800945534023486",
                "37486818162621233002606144904404698805",
                "166262640446944194489426637763137381045",
                "319702081660647726261688445969219196991",
                "215814048822915231723972422777677205668"
            ],
            "threshold": 0.9
        }
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35964.json"