CVE-2021-38092

Integer Overflow vulnerability in function filterprewitt in libavfilter/vfconvolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.

References

Affected packages

Git / git.ffmpeg.org/ffmpeg.git

Affected ranges

Type

GIT

Repo

https://git.ffmpeg.org/ffmpeg.git

Events

Introduced

Fixed

99f8d32129dd233d4eb2efa44678a0bc44869f23

Database specific

Show details

{
    "source": "REFERENCES"
}

Affected versions

Other

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

Database specific

vanir_signatures

[
    {
        "id": "CVE-2021-38092-47770ae8",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "312273638365972571766734284783019729603",
                "285567748274445502065394555650402803121",
                "327398328860241102843078614973482077537",
                "117681638743582263217945923413007996537",
                "222534626823148156791322086811346367960",
                "149602235256029141960719439084693980688",
                "103808034539985284971036791061038568826",
                "101039381615351325400305736652849788366",
                "119693142047805769029490076729578745116",
                "139452788001286772171967991528251165274",
                "177940589039421921850201029768046208390",
                "244997580765275798099686519915370111041",
                "3914800900619165334279620183313968222",
                "44518601934018282101502064419566480060",
                "62518029836362370285263512850360305238",
                "189470130817758884447871425458746443450",
                "78653062183009480022319953671287788912",
                "114444927211754860249863075764691162908",
                "66285443371216913387989060555134956562",
                "309978362299586124551737786328047743407",
                "259298084354075942386572987322614529070",
                "186831038704776475693405517368196539400",
                "289143565420298446379454232965136318157",
                "336354824418643347393096241341468903757",
                "99509090908342416414817712154805222512",
                "289649847330572877479786622807536475459",
                "68625682147658959016558056212637336871",
                "261652877277890744184300833283052407301",
                "122681924982441369086370075581982510861",
                "294876380691225843837702040655334511178",
                "292745019692913569079526383476247624480",
                "313485597580227832005924366183174226831",
                "24821684458328961796810943869477170565",
                "226862523343509285969745652283740131482",
                "116395643705848526885047825812765649904",
                "50546107077065024187201985613306465974",
                "164292349910039431187897681673784197165",
                "33663597916244604844398142176930137897"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "libavfilter/vf_convolution.c"
        },
        "source": "https://git.ffmpeg.org/ffmpeg.git@99f8d32129dd233d4eb2efa44678a0bc44869f23",
        "signature_type": "Line"
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-38092.json"

vanir_signatures_modified

"2026-08-16T08:40:25Z"

Git / github.com/ffmpeg/ffmpeg