USN-7852-1

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Source
https://ubuntu.com/security/notices/USN-7852-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7852-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7852-1
Upstream
Related
Published
2025-10-30T16:39:20.656105Z
Modified
2026-01-20T16:28:30.195327Z
Summary
libxml2 vulnerability
Details

It was discovered that libxslt, used by libxml2, incorrectly handled certain attributes. An attacker could use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. This update adds a fix to libxml2 to mitigate the libxslt vulnerability.

References

Affected packages

Ubuntu:22.04:LTS / libxml2

Package

Name
libxml2
Purl
pkg:deb/ubuntu/libxml2@2.9.13+dfsg-1ubuntu0.10?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.13+dfsg-1ubuntu0.10

Affected versions

2.*

2.9.12+dfsg-4
2.9.12+dfsg-5
2.9.12+dfsg-6
2.9.13+dfsg-1
2.9.13+dfsg-1build1
2.9.13+dfsg-1ubuntu0.1
2.9.13+dfsg-1ubuntu0.2
2.9.13+dfsg-1ubuntu0.3
2.9.13+dfsg-1ubuntu0.4
2.9.13+dfsg-1ubuntu0.5
2.9.13+dfsg-1ubuntu0.6
2.9.13+dfsg-1ubuntu0.7
2.9.13+dfsg-1ubuntu0.8
2.9.13+dfsg-1ubuntu0.9

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libxml2",
            "binary_version": "2.9.13+dfsg-1ubuntu0.10"
        },
        {
            "binary_name": "libxml2-dev",
            "binary_version": "2.9.13+dfsg-1ubuntu0.10"
        },
        {
            "binary_name": "libxml2-utils",
            "binary_version": "2.9.13+dfsg-1ubuntu0.10"
        },
        {
            "binary_name": "python3-libxml2",
            "binary_version": "2.9.13+dfsg-1ubuntu0.10"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7852-1.json"

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2025-7425",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:24.04:LTS / libxml2

Package

Name
libxml2
Purl
pkg:deb/ubuntu/libxml2@2.9.14+dfsg-1.3ubuntu3.6?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.14+dfsg-1.3ubuntu3.6

Affected versions

2.*

2.9.14+dfsg-1.3
2.9.14+dfsg-1.3build1
2.9.14+dfsg-1.3build2
2.9.14+dfsg-1.3build3
2.9.14+dfsg-1.3ubuntu1
2.9.14+dfsg-1.3ubuntu2
2.9.14+dfsg-1.3ubuntu3
2.9.14+dfsg-1.3ubuntu3.1
2.9.14+dfsg-1.3ubuntu3.2
2.9.14+dfsg-1.3ubuntu3.3
2.9.14+dfsg-1.3ubuntu3.4
2.9.14+dfsg-1.3ubuntu3.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libxml2",
            "binary_version": "2.9.14+dfsg-1.3ubuntu3.6"
        },
        {
            "binary_name": "libxml2-dev",
            "binary_version": "2.9.14+dfsg-1.3ubuntu3.6"
        },
        {
            "binary_name": "libxml2-utils",
            "binary_version": "2.9.14+dfsg-1.3ubuntu3.6"
        },
        {
            "binary_name": "python3-libxml2",
            "binary_version": "2.9.14+dfsg-1.3ubuntu3.6"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7852-1.json"

cves_map

{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2025-7425",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}