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.osv.dev/v1/vulns/UBUNTU-CVE-2018-6621
Upstream
Withdrawn
2025-07-18T16:44:30Z
Published
2018-02-05T04:29:00Z
Modified
2025-07-16T08:14:10.199564Z
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 

{
    "binaries": [
        {
            "binary_version": "7:3.4.2-2",
            "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"
        }
    ],
    "availability": "No subscription required"
}