CVE-2021-33815

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Source
https://cve.org/CVERecord?id=CVE-2021-33815
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-33815.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-33815
Downstream
Related
Published
2021-06-03T17:15:15.073Z
Modified
2026-02-23T08:23:02.839957Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

dwauncompress in libavcodec/exr.c in FFmpeg 4.4 allows an out-of-bounds array access because dccount is not strictly checked.

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
26d3c81bc5ef2f8c3f09d45eaeacfb4b1139a777

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
n4.5-dev

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-33815.json"
vanir_signatures 
[
    {
        "signature_type": "Line",
        "target": {
            "file": "libavcodec/exr.c"
        },
        "deprecated": false,
        "id": "CVE-2021-33815-92de094f",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "130380091940095792286365522484884190871",
                "283493446620991118859812463275249449165",
                "19386626409520732559976923280123000466",
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                "66708020939852844078050880899189869910",
                "215846995322117982697734546612735061643"
            ]
        },
        "source": "https://github.com/ffmpeg/ffmpeg/commit/26d3c81bc5ef2f8c3f09d45eaeacfb4b1139a777"
    },
    {
        "signature_type": "Function",
        "target": {
            "file": "libavcodec/exr.c",
            "function": "dwa_uncompress"
        },
        "deprecated": false,
        "id": "CVE-2021-33815-d2c1e13a",
        "signature_version": "v1",
        "digest": {
            "function_hash": "285466867490307915643097296913297550466",
            "length": 5286.0
        },
        "source": "https://github.com/ffmpeg/ffmpeg/commit/26d3c81bc5ef2f8c3f09d45eaeacfb4b1139a777"
    }
]