USN-8460-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-8460-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8460-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8460-1
Upstream
Related
Published
2026-06-22T17:10:23Z
Modified
2026-06-23T04:49:21.672829756Z
Summary
libxml2 vulnerabilities
Details

It was discovered that libxml2 did not properly release memory allocated in the xmllint utility. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-1757)

A type confusion vulnerability was found in libxml2 when processing a specially crafted XML document. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-6732)

References

Affected packages

Ubuntu:25.10 / libxml2

Package

Name
libxml2
Purl
pkg:deb/ubuntu/libxml2?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.14.5+dfsg-0.2ubuntu0.2

Affected versions

2.*
2.12.7+dfsg+really2.9.14-0.4
2.12.7+dfsg+really2.9.14-0.4ubuntu0.1
2.12.7+dfsg+really2.9.14-1
2.14.3+dfsg-0exp1
2.14.3+dfsg-0exp2
2.14.3+dfsg-0exp3
2.14.4+dfsg-0exp1
2.14.5+dfsg-0exp1
2.14.5+dfsg-0exp2
2.14.5+dfsg-0.1
2.14.5+dfsg-0.2
2.14.5+dfsg-0.2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libxml2-16",
            "binary_version": "2.14.5+dfsg-0.2ubuntu0.2"
        },
        {
            "binary_name": "libxml2-utils",
            "binary_version": "2.14.5+dfsg-0.2ubuntu0.2"
        },
        {
            "binary_name": "python3-libxml2",
            "binary_version": "2.14.5+dfsg-0.2ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8460-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-1757",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-6732",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:26.04:LTS / libxml2

Package

Name
libxml2
Purl
pkg:deb/ubuntu/libxml2?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.15.2+dfsg-0.1ubuntu0.1

Affected versions

2.*
2.14.5+dfsg-0.2
2.14.5+dfsg-0.2build1
2.15.1+dfsg-0.3
2.15.1+dfsg-0.4
2.15.1+dfsg-1
2.15.1+dfsg-2
2.15.1+dfsg-2ubuntu1
2.15.1+dfsg-2ubuntu2
2.15.2+dfsg-0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libxml2-16",
            "binary_version": "2.15.2+dfsg-0.1ubuntu0.1"
        },
        {
            "binary_name": "libxml2-source",
            "binary_version": "2.15.2+dfsg-0.1ubuntu0.1"
        },
        {
            "binary_name": "libxml2-utils",
            "binary_version": "2.15.2+dfsg-0.1ubuntu0.1"
        },
        {
            "binary_name": "python3-libxml2",
            "binary_version": "2.15.2+dfsg-0.1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8460-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-6732",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}