UBUNTU-CVE-2021-33938

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Source
https://ubuntu.com/security/CVE-2021-33938
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33938.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-33938
Upstream
Published
2021-09-02T15:15:00Z
Modified
2025-09-08T16:47:13Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Buffer overflow vulnerability in function prunetorecommended in src/policy.c in libsolv before 0.7.17 allows attackers to cause a Denial of Service.

References

Affected packages

Ubuntu:Pro:16.04:LTS / libsolv

Package

Name
libsolv
Purl
pkg:deb/ubuntu/libsolv@0.6.11-1.1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.6.11-1
0.6.11-1build1
0.6.11-1.1
0.6.11-1.1ubuntu0.1~esm1

Ecosystem specific 

{
    "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": "libsolv0-dev",
            "binary_version": "0.6.11-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolvext0",
            "binary_version": "0.6.11-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolvext0-dev",
            "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"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / libsolv

Package

Name
libsolv
Purl
pkg:deb/ubuntu/libsolv@0.6.30-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libsolv-perl",
            "binary_version": "0.6.30-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolv-tools",
            "binary_version": "0.6.30-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolv0",
            "binary_version": "0.6.30-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolv0-dev",
            "binary_version": "0.6.30-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolvext0",
            "binary_version": "0.6.30-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsolvext0-dev",
            "binary_version": "0.6.30-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "python-solv",
            "binary_version": "0.6.30-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "python3-solv",
            "binary_version": "0.6.30-1ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / libsolv

Package

Name
libsolv
Purl
pkg:deb/ubuntu/libsolv@0.6.36-2?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.6.35-2ubuntu1
0.6.35-2ubuntu2
0.6.36-1
0.6.36-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libsolv-perl",
            "binary_version": "0.6.36-2"
        },
        {
            "binary_name": "libsolv-tools",
            "binary_version": "0.6.36-2"
        },
        {
            "binary_name": "libsolv0",
            "binary_version": "0.6.36-2"
        },
        {
            "binary_name": "libsolv0-dev",
            "binary_version": "0.6.36-2"
        },
        {
            "binary_name": "libsolvext0",
            "binary_version": "0.6.36-2"
        },
        {
            "binary_name": "libsolvext0-dev",
            "binary_version": "0.6.36-2"
        },
        {
            "binary_name": "python3-solv",
            "binary_version": "0.6.36-2"
        }
    ]
}