CVE-2020-35964

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-35964
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-35964.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-35964
Downstream
Related
Published
2021-01-03T19:15:11Z
Modified
2025-10-24T04:30:05.707140Z
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 / 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

Git / git.ffmpeg.org/ffmpeg.git

Affected ranges

Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
27a99e2c7d450fef15594671eef4465c8a166bd7

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-dev
n4.4-dev

Database specific

vanir_signatures

[
    {
        "digest": {
            "function_hash": "10276585309990227696075281458891561069",
            "length": 3384.0
        },
        "id": "CVE-2020-35964-0f156ff9",
        "target": {
            "function": "track_header",
            "file": "libavformat/vividas.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://github.com/ffmpeg/ffmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7",
        "signature_type": "Function"
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "203532130500819324495404539649090814028",
                "304080042666092356809505296181497057150",
                "226802671110702742982797614535487385524",
                "73082539325848717179228355520517924855",
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                "319702081660647726261688445969219196991",
                "215814048822915231723972422777677205668"
            ]
        },
        "id": "CVE-2020-35964-ee6b3729",
        "target": {
            "file": "libavformat/vividas.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://github.com/ffmpeg/ffmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7",
        "signature_type": "Line"
    }
]