CVE-2021-38114

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-38114
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-38114.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-38114
Downstream
Related
Published
2021-08-04T21:15:08Z
Modified
2025-09-16T07:19:57.240664Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

libavcodec/dnxhddec.c in FFmpeg 4.4 does not check the return value of the init_vlc function, a similar issue to CVE-2013-0868.

References

Affected packages

Debian:11 / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/debian/ffmpeg?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:4.3.3-0+deb11u1

Affected versions

7:4.*

7:4.3.2-0+deb11u2
7:4.3.2-1
7:4.3.2-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/debian/ffmpeg?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:4.4.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/debian/ffmpeg?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:4.4.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/debian/ffmpeg?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:4.4.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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
Last affected
c5079bf3bccd24bf8ed45ff47ff4071fd09e9fd8
Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
7150f9575671f898382c370acae35f9087a30ba1

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 

{
    "vanir_signatures": [
        {
            "source": "https://github.com/ffmpeg/ffmpeg/commit/7150f9575671f898382c370acae35f9087a30ba1",
            "signature_type": "Line",
            "target": {
                "file": "libavcodec/dnxhddec.c"
            },
            "signature_version": "v1",
            "deprecated": false,
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "253179105144349137520746074098712463876",
                    "145076321672620917984433409448337254351",
                    "236026111101620473214598826065390808009",
                    "321900568368984338675703581623054690506",
                    "302746797940366195773012496098975871608",
                    "257257327734945784339426373977232735045",
                    "201430951002728322015485363002249525568",
                    "328809331225450928095144114306472607527",
                    "327154039913106808541885552638390873074",
                    "26246859042191440397808292099394009525",
                    "270710497806514070783648687528585480579",
                    "70076744926645453820194004361918333452",
                    "330437388880503948789009325370605440428",
                    "49728460261120265003470512311191320619",
                    "12822181520812045822043639362351702346",
                    "255199315402460324175227460520418813599",
                    "264485814497753088874115754024079832340",
                    "227326721084120214306427427113910730614",
                    "306813188964179191502627350327975201921"
                ]
            },
            "id": "CVE-2021-38114-03aba8a8"
        },
        {
            "source": "https://github.com/ffmpeg/ffmpeg/commit/7150f9575671f898382c370acae35f9087a30ba1",
            "signature_type": "Function",
            "target": {
                "file": "libavcodec/dnxhddec.c",
                "function": "dnxhd_init_vlc"
            },
            "signature_version": "v1",
            "deprecated": false,
            "digest": {
                "function_hash": "277203167962598597416599143335140589121",
                "length": 1136.0
            },
            "id": "CVE-2021-38114-a3403b56"
        }
    ]
}