CVE-2020-20446

Source
https://cve.org/CVERecord?id=CVE-2020-20446
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-20446.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-20446
Downstream
Published
2021-05-25T18:15:07.953Z
Modified
2026-07-08T05:55:50.398919034Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aacpsy.c, which allows a remote malicious user to cause a Denial of Service.

Database specific
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                },
                {
                    "introduced": "10.0"
                },
                {
                    "last_affected": "10.0"
                },
                {
                    "introduced": "11.0"
                },
                {
                    "last_affected": "11.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages

Git / git.ffmpeg.org/ffmpeg.git

Affected ranges

Type
GIT
Repo
https://git.ffmpeg.org/ffmpeg.git
Events
Database specific
{
    "source": "CPE_STRING",
    "cpe": "cpe:2.3:a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.2-NA"
        },
        {
            "last_affected": "4.2-NA"
        }
    ]
}

Affected versions

4.*
4.2-NA
n4.*
n4.2-dev

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-20446.json"

Git / github.com/ffmpeg/ffmpeg

Affected ranges

Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Database specific
{
    "source": "CPE_STRING",
    "cpe": "cpe:2.3:a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.2-NA"
        },
        {
            "last_affected": "4.2-NA"
        }
    ]
}

Affected versions

4.*
4.2-NA
n4.*
n4.2-dev

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-20446.json"