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

0 Unknown 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_name":  "ffmpeg",
            "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":  "libavdevice61",
            "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-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":  "libavutil59",
            "binary_version":  "7:7.1.1-1ubuntu4.1"
        },
        {
            "binary_name":  "libpostproc58",
            "binary_version":  "7:7.1.1-1ubuntu4.1"
        },
        {
            "binary_name":  "libswresample5",
            "binary_version":  "7:7.1.1-1ubuntu4.1"
        },
        {
            "binary_name":  "libswscale8",
            "binary_version":  "7:7.1.1-1ubuntu4.1"
        }
    ]
}

Database specific

cves_map

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

source

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