USN-7787-1

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Source
https://ubuntu.com/security/notices/USN-7787-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7787-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7787-1
Upstream
Related
Published
2025-09-30T23:47:26.961417Z
Modified
2025-10-27T04:42:53Z
Summary
libxslt vulnerabilities
Details

Ivan Fratric discovered that Libxslt did not correctly handle certain memory operations. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt@1.1.28-2ubuntu0.2+esm4?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.28-2ubuntu0.2+esm4

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
1.1.28-2ubuntu0.2+esm3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libxslt1-dev",
            "binary_version": "1.1.28-2ubuntu0.2+esm4"
        },
        {
            "binary_name": "libxslt1.1",
            "binary_version": "1.1.28-2ubuntu0.2+esm4"
        },
        {
            "binary_name": "python-libxslt1",
            "binary_version": "1.1.28-2ubuntu0.2+esm4"
        },
        {
            "binary_name": "xsltproc",
            "binary_version": "1.1.28-2ubuntu0.2+esm4"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2024-55549",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2025-24855",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:16.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt@1.1.28-2.1ubuntu0.3+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.28-2.1ubuntu0.3+esm3

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
1.1.28-2.1ubuntu0.3+esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libxslt1-dev",
            "binary_version": "1.1.28-2.1ubuntu0.3+esm3"
        },
        {
            "binary_name": "libxslt1.1",
            "binary_version": "1.1.28-2.1ubuntu0.3+esm3"
        },
        {
            "binary_name": "python-libxslt1",
            "binary_version": "1.1.28-2.1ubuntu0.3+esm3"
        },
        {
            "binary_name": "xsltproc",
            "binary_version": "1.1.28-2.1ubuntu0.3+esm3"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2024-55549",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2025-24855",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:18.04:LTS / libxslt

Package

Name
libxslt
Purl
pkg:deb/ubuntu/libxslt@1.1.29-5ubuntu0.3+esm2?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.29-5ubuntu0.3+esm2

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
1.1.29-5ubuntu0.3+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libxslt1-dev",
            "binary_version": "1.1.29-5ubuntu0.3+esm2"
        },
        {
            "binary_name": "libxslt1.1",
            "binary_version": "1.1.29-5ubuntu0.3+esm2"
        },
        {
            "binary_name": "python-libxslt1",
            "binary_version": "1.1.29-5ubuntu0.3+esm2"
        },
        {
            "binary_name": "xsltproc",
            "binary_version": "1.1.29-5ubuntu0.3+esm2"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2024-55549",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2025-24855",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}