USN-9076-1

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Source
https://ubuntu.com/security/notices/USN-9076-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9076-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-9076-1
Upstream
Related
Published
2026-11-12T20:52:25Z
Modified
2026-11-13T11:28:23Z
Summary
libsolv vulnerability
Details

It was discovered that libsolv incorrectly handled certain repository data, leading to a heap-based buffer over-read. An attacker could possibly use this issue to cause libsolv to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:Pro:16.04:LTS / libsolv

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.6.11-1.1ubuntu0.1~esm1

Affected versions

0.*
0.6.11-1
0.6.11-1build1
0.6.11-1.1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libsolv-perl",
            "binary_version": "0.6.11-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolv-tools",
            "binary_version": "0.6.11-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolv0",
            "binary_version": "0.6.11-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolvext0",
            "binary_version": "0.6.11-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "python-solv",
            "binary_version": "0.6.11-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "python3-solv",
            "binary_version": "0.6.11-1.1ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2019-20387",
            "severity": [
                {
                    "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"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9076-1.json"

Ubuntu:Pro:18.04:LTS / libsolv

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.6.30-1ubuntu0.1~esm2

Affected versions

0.*
0.6.28-2build1
0.6.30-1build1
0.6.30-1ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libsolv-perl",
            "binary_version": "0.6.30-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "libsolv-tools",
            "binary_version": "0.6.30-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "libsolv0",
            "binary_version": "0.6.30-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "libsolvext0",
            "binary_version": "0.6.30-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "python-solv",
            "binary_version": "0.6.30-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "python3-solv",
            "binary_version": "0.6.30-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2019-20387",
            "severity": [
                {
                    "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"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9076-1.json"