UBUNTU-CVE-2025-31115

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Source
https://ubuntu.com/security/CVE-2025-31115
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-31115.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2025-31115
Related
Published
2025-04-03T15:00:00Z
Modified
2025-04-04T04:32:57Z
Summary
[none]
Details

The threaded .xz decoder in liblzma has a bug that can at least result in a crash (denial of service). The effects include heap use after free and writing to an address based on the null pointer plus an offset.

References

Affected packages

Ubuntu:20.04:LTS / xz-utils

Package

Name
xz-utils
Purl
pkg:deb/ubuntu/xz-utils@5.2.4-1ubuntu1.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.2.4-1ubuntu1.1

Affected versions

5.*

5.2.4-1
5.2.4-1ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "5.2.4-1ubuntu1.1",
            "binary_name": "liblzma-dev"
        },
        {
            "binary_version": "5.2.4-1ubuntu1.1",
            "binary_name": "liblzma-doc"
        },
        {
            "binary_version": "5.2.4-1ubuntu1.1",
            "binary_name": "liblzma5"
        },
        {
            "binary_version": "5.2.4-1ubuntu1.1",
            "binary_name": "liblzma5-dbgsym"
        },
        {
            "binary_version": "5.2.4-1ubuntu1.1",
            "binary_name": "xz-utils"
        },
        {
            "binary_version": "5.2.4-1ubuntu1.1",
            "binary_name": "xz-utils-dbgsym"
        },
        {
            "binary_version": "5.2.4-1ubuntu1.1",
            "binary_name": "xzdec"
        },
        {
            "binary_version": "5.2.4-1ubuntu1.1",
            "binary_name": "xzdec-dbgsym"
        }
    ]
}

Ubuntu:22.04:LTS / xz-utils

Package

Name
xz-utils
Purl
pkg:deb/ubuntu/xz-utils@5.2.5-2ubuntu1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.2.5-2ubuntu1

Affected versions

5.*

5.2.5-2
5.2.5-2build1
5.2.5-2build2

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "5.2.5-2ubuntu1",
            "binary_name": "liblzma-dev"
        },
        {
            "binary_version": "5.2.5-2ubuntu1",
            "binary_name": "liblzma-doc"
        },
        {
            "binary_version": "5.2.5-2ubuntu1",
            "binary_name": "liblzma5"
        },
        {
            "binary_version": "5.2.5-2ubuntu1",
            "binary_name": "liblzma5-dbgsym"
        },
        {
            "binary_version": "5.2.5-2ubuntu1",
            "binary_name": "xz-utils"
        },
        {
            "binary_version": "5.2.5-2ubuntu1",
            "binary_name": "xz-utils-dbgsym"
        },
        {
            "binary_version": "5.2.5-2ubuntu1",
            "binary_name": "xzdec"
        },
        {
            "binary_version": "5.2.5-2ubuntu1",
            "binary_name": "xzdec-dbgsym"
        }
    ]
}

Ubuntu:24.10 / xz-utils

Package

Name
xz-utils
Purl
pkg:deb/ubuntu/xz-utils@5.6.2-2ubuntu0.2?arch=source&distro=oracular

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.6.2-2ubuntu0.2

Affected versions

5.*

5.6.1+really5.4.5-1
5.6.2-1
5.6.2-2

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "5.6.2-2ubuntu0.2",
            "binary_name": "liblzma-dev"
        },
        {
            "binary_version": "5.6.2-2ubuntu0.2",
            "binary_name": "liblzma-doc"
        },
        {
            "binary_version": "5.6.2-2ubuntu0.2",
            "binary_name": "liblzma5"
        },
        {
            "binary_version": "5.6.2-2ubuntu0.2",
            "binary_name": "liblzma5-dbgsym"
        },
        {
            "binary_version": "5.6.2-2ubuntu0.2",
            "binary_name": "xz-utils"
        },
        {
            "binary_version": "5.6.2-2ubuntu0.2",
            "binary_name": "xz-utils-dbgsym"
        },
        {
            "binary_version": "5.6.2-2ubuntu0.2",
            "binary_name": "xzdec"
        },
        {
            "binary_version": "5.6.2-2ubuntu0.2",
            "binary_name": "xzdec-dbgsym"
        }
    ]
}

Ubuntu:24.04:LTS / xz-utils

Package

Name
xz-utils
Purl
pkg:deb/ubuntu/xz-utils@5.6.1+really5.4.5-1ubuntu0.2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.6.1+really5.4.5-1ubuntu0.2

Affected versions

5.*

5.4.1-0.2
5.4.4-0.1
5.4.5-0.1
5.4.5-0.3
5.6.0-0.2
5.6.1+really5.4.5-1
5.6.1+really5.4.5-1build0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "5.6.1+really5.4.5-1ubuntu0.2",
            "binary_name": "liblzma-dev"
        },
        {
            "binary_version": "5.6.1+really5.4.5-1ubuntu0.2",
            "binary_name": "liblzma-doc"
        },
        {
            "binary_version": "5.6.1+really5.4.5-1ubuntu0.2",
            "binary_name": "liblzma5"
        },
        {
            "binary_version": "5.6.1+really5.4.5-1ubuntu0.2",
            "binary_name": "liblzma5-dbgsym"
        },
        {
            "binary_version": "5.6.1+really5.4.5-1ubuntu0.2",
            "binary_name": "xz-utils"
        },
        {
            "binary_version": "5.6.1+really5.4.5-1ubuntu0.2",
            "binary_name": "xz-utils-dbgsym"
        },
        {
            "binary_version": "5.6.1+really5.4.5-1ubuntu0.2",
            "binary_name": "xzdec"
        },
        {
            "binary_version": "5.6.1+really5.4.5-1ubuntu0.2",
            "binary_name": "xzdec-dbgsym"
        }
    ]
}