CVE-2021-38291

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2021-38291
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38291.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-38291
Downstream
Related
Published
2021-08-12T16:15:10.490Z
Modified
2026-03-15T22:37:47.097563Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640) suffers from a an assertion failure at src/libavutil/mathematics.c.

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
fbb83f3d413fa33cd543015856b0171d0bd7de11
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "4.1.7"
        }
    ]
}

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
n4.1.6

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "4.2.0"
            },
            {
                "fixed": "4.2.5"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "4.3.0"
            },
            {
                "fixed": "4.3.3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "4.4.0"
            },
            {
                "fixed": "4.4.1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "11.0"
            }
        ]
    }
]
vanir_signatures 
[
    {
        "deprecated": false,
        "id": "CVE-2021-38291-48970485",
        "target": {
            "file": "libavformat/wvdec.c",
            "function": "wv_read_block_header"
        },
        "digest": {
            "function_hash": "214803039889315537356725353018178750454",
            "length": 3476.0
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/ffmpeg/ffmpeg/commit/fbb83f3d413fa33cd543015856b0171d0bd7de11"
    },
    {
        "deprecated": false,
        "id": "CVE-2021-38291-fa043df0",
        "target": {
            "file": "libavformat/wvdec.c"
        },
        "digest": {
            "line_hashes": [
                "251307755643448423117393967764287524003",
                "206464569714612371624097047065094077137",
                "204565516564241691171555941667575719474",
                "307268568101377705266031103909715185175",
                "177221837149411978514742847518715725014",
                "168857164016796346900914218416968224909",
                "269737559404820613432451688629928013255",
                "255726005416801983841432562937282134686"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/ffmpeg/ffmpeg/commit/fbb83f3d413fa33cd543015856b0171d0bd7de11"
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38291.json"