UBUNTU-CVE-2018-9841

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Source

https://ubuntu.com/security/CVE-2018-9841

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9841.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-9841

Upstream

CVE-2018-9841

Published

2018-04-07T07:29:00Z

Modified

2025-09-08T16:44:50Z

Severity

8.8 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

The export function in libavfilter/vf_signature.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (out-of-array access) or possibly have unspecified other impact via a long filename.

References

Affected packages

Ubuntu:18.04:LTS / ffmpeg

Package

Name: ffmpeg
Purl: pkg:deb/ubuntu/ffmpeg@7:3.4.4-0ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

7:3.4.4-0ubuntu0.18.04.1

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

7:3.4.2-2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "ffmpeg"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavcodec-dev"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavcodec-extra"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavcodec-extra57"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavcodec57"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavdevice-dev"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavdevice57"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavfilter-dev"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavfilter-extra"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavfilter-extra6"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavfilter6"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavformat-dev"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavformat57"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavresample-dev"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavresample3"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavutil-dev"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libavutil55"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libpostproc-dev"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libpostproc54"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libswresample-dev"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libswresample2"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libswscale-dev"
        },
        {
            "binary_version": "7:3.4.4-0ubuntu0.18.04.1",
            "binary_name": "libswscale4"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9841.json"