CVE-2020-12284

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-12284
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12284.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-12284
Downstream
Related
Published
2020-04-28T06:15:10Z
Modified
2025-10-27T12:03:40.155265Z
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

cbsjpegsplitfragment in libavcodec/cbsjpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEGMARKERSOS handling because of a missing length check.

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 / 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
1812352d767ccf5431aa440123e2e260a4db2726
Fixed
a3a3730b5456ca00587455004d40c047f7b20a99

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
n4.1-dev
n4.1.1
n4.1.2
n4.1.3
n4.1.4
n4.1.5
n4.2-dev
n4.3-dev

Database specific

vanir_signatures

[
    {
        "source": "https://github.com/ffmpeg/ffmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726",
        "id": "CVE-2020-12284-05b42b91",
        "deprecated": false,
        "target": {
            "function": "cbs_jpeg_split_fragment",
            "file": "libavcodec/cbs_jpeg.c"
        },
        "signature_version": "v1",
        "digest": {
            "length": 3246.0,
            "function_hash": "295269910854795076654787475383993439121"
        },
        "signature_type": "Function"
    },
    {
        "source": "https://github.com/ffmpeg/ffmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726",
        "id": "CVE-2020-12284-4194c84e",
        "deprecated": false,
        "target": {
            "file": "libavcodec/cbs_jpeg.c"
        },
        "signature_version": "v1",
        "digest": {
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            "line_hashes": [
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        },
        "signature_type": "Line"
    },
    {
        "source": "https://github.com/ffmpeg/ffmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99",
        "id": "CVE-2020-12284-8f9639c6",
        "deprecated": false,
        "target": {
            "file": "libavcodec/cbs_jpeg.c"
        },
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "95195660024913394212304132289173808057",
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        "signature_type": "Line"
    },
    {
        "source": "https://github.com/ffmpeg/ffmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99",
        "id": "CVE-2020-12284-e760d172",
        "deprecated": false,
        "target": {
            "function": "cbs_jpeg_split_fragment",
            "file": "libavcodec/cbs_jpeg.c"
        },
        "signature_version": "v1",
        "digest": {
            "length": 3284.0,
            "function_hash": "95840289875798690280122319277904648598"
        },
        "signature_type": "Function"
    }
]