USN-7600-1

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Source
https://ubuntu.com/security/notices/USN-7600-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7600-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-7600-1
Upstream
Related
Published
2025-06-26T13:53:02Z
Modified
2026-05-20T16:06:15.529116417Z
Summary
libxslt vulnerability
Details

It was discovered that libxslt could be made to expose sensitive information about address space layout. An attacker could possibly use this issue to bypass Address Space Layout Randomization (ASLR) protections.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.28-2ubuntu0.2+esm3

Affected versions

1.*
1.1.28-2
1.1.28-2build1
1.1.28-2ubuntu0.1
1.1.28-2ubuntu0.2
1.1.28-2ubuntu0.2+esm1
1.1.28-2ubuntu0.2+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.28-2ubuntu0.2+esm3",
            "binary_name": "libxslt1.1"
        },
        {
            "binary_version": "1.1.28-2ubuntu0.2+esm3",
            "binary_name": "python-libxslt1"
        },
        {
            "binary_version": "1.1.28-2ubuntu0.2+esm3",
            "binary_name": "xsltproc"
        }
    ],
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-40403",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7600-1.json"

Ubuntu:Pro:16.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.28-2.1ubuntu0.3+esm2

Affected versions

1.*
1.1.28-2build2
1.1.28-2.1
1.1.28-2.1ubuntu0.1
1.1.28-2.1ubuntu0.2
1.1.28-2.1ubuntu0.3
1.1.28-2.1ubuntu0.3+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.28-2.1ubuntu0.3+esm2",
            "binary_name": "libxslt1.1"
        },
        {
            "binary_version": "1.1.28-2.1ubuntu0.3+esm2",
            "binary_name": "python-libxslt1"
        },
        {
            "binary_version": "1.1.28-2.1ubuntu0.3+esm2",
            "binary_name": "xsltproc"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": []
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7600-1.json"

Ubuntu:Pro:18.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.29-5ubuntu0.3+esm1

Affected versions

1.*
1.1.29-2.1ubuntu1
1.1.29-4
1.1.29-5
1.1.29-5ubuntu0.1
1.1.29-5ubuntu0.2
1.1.29-5ubuntu0.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.29-5ubuntu0.3+esm1",
            "binary_name": "libxslt1.1"
        },
        {
            "binary_version": "1.1.29-5ubuntu0.3+esm1",
            "binary_name": "python-libxslt1"
        },
        {
            "binary_version": "1.1.29-5ubuntu0.3+esm1",
            "binary_name": "xsltproc"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-40403",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7600-1.json"

Ubuntu:Pro:20.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.34-4ubuntu0.20.04.3+esm1

Affected versions

1.*
1.1.33-0ubuntu1
1.1.33-0ubuntu2
1.1.33-0ubuntu3
1.1.34-1
1.1.34-1ubuntu1
1.1.34-3
1.1.34-4
1.1.34-4ubuntu0.20.04.1
1.1.34-4ubuntu0.20.04.2
1.1.34-4ubuntu0.20.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.34-4ubuntu0.20.04.3+esm1",
            "binary_name": "libxslt1.1"
        },
        {
            "binary_version": "1.1.34-4ubuntu0.20.04.3+esm1",
            "binary_name": "xsltproc"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-40403",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7600-1.json"

Ubuntu:22.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.34-4ubuntu0.22.04.4

Affected versions

1.*
1.1.34-4
1.1.34-4build1
1.1.34-4build2
1.1.34-4ubuntu0.22.04.1
1.1.34-4ubuntu0.22.04.2
1.1.34-4ubuntu0.22.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.34-4ubuntu0.22.04.4",
            "binary_name": "libxslt1.1"
        },
        {
            "binary_version": "1.1.34-4ubuntu0.22.04.4",
            "binary_name": "xsltproc"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-40403",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7600-1.json"