USN-7871-1

It was discovered that FFmpeg incorrectly handled memory allocation in the ALS audio decoder. If a user was tricked into loading a crafted media file, a remote attacker could possibly use this issue to make FFmpeg crash, resulting in a denial of service.

References

Affected packages

Ubuntu:25.10 / ffmpeg

Package

Name: ffmpeg
Purl: pkg:deb/ubuntu/ffmpeg@7:7.1.1-1ubuntu4.1?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

7:7.1.1-1ubuntu4.1

Affected versions

7:7.*

7:7.1.1-1ubuntu1

7:7.1.1-1ubuntu2

7:7.1.1-1ubuntu3

7:7.1.1-1ubuntu4

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "ffmpeg"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavcodec-dev"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavcodec-extra"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavcodec-extra61"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavcodec61"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavdevice-dev"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavdevice61"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavfilter-dev"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavfilter-extra"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavfilter-extra10"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavfilter10"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavformat-dev"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavformat-extra"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavformat-extra61"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavformat61"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavutil-dev"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libavutil59"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libpostproc-dev"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libpostproc58"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libswresample-dev"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libswresample5"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libswscale-dev"
        },
        {
            "binary_version": "7:7.1.1-1ubuntu4.1",
            "binary_name": "libswscale8"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7871-1.json"

cves_map

{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2025-7700",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}