UBUNTU-CVE-2018-6621

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Source
https://ubuntu.com/security/CVE-2018-6621
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6621.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-6621
Upstream
Withdrawn
2025-07-18T16:44:30Z
Published
2018-02-05T04:29:00Z
Modified
2025-07-16T08:23:10.392528Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The decode_frame function in libavcodec/utvideodec.c in FFmpeg through 3.2 allows remote attackers to cause a denial of service (out of array read) via a crafted AVI file.

References

Affected packages

Ubuntu:18.04:LTS / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/ubuntu/ffmpeg@7:3.4.2-2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:3.4.2-2

Affected versions

7:3.*

7:3.3.4-2
7:3.3.4-2build3
7:3.4-2ubuntu2
7:3.4-4
7:3.4-4build1
7:3.4.1-1
7:3.4.1-1build1
7:3.4.2-1
7:3.4.2-1build1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ffmpeg",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "ffmpeg-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "ffmpeg-doc",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavcodec-dev",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavcodec-extra",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavcodec-extra57",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavcodec-extra57-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavcodec57",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavcodec57-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavdevice-dev",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavdevice57",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavdevice57-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavfilter-dev",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavfilter-extra",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavfilter-extra6",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavfilter-extra6-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavfilter6",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavfilter6-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavformat-dev",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavformat57",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavformat57-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavresample-dev",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavresample3",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavresample3-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavutil-dev",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavutil55",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libavutil55-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libpostproc-dev",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libpostproc54",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libpostproc54-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libswresample-dev",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libswresample2",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libswresample2-dbgsym",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libswscale-dev",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libswscale4",
            "binary_version": "7:3.4.2-2"
        },
        {
            "binary_name": "libswscale4-dbgsym",
            "binary_version": "7:3.4.2-2"
        }
    ]
}