USN-8779-1

Source
https://ubuntu.com/security/notices/USN-8779-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8779-1
Upstream
Related
Published
2026-09-17T15:50:32Z
Modified
2026-09-18T23:56:34Z
Summary
bubblewrap vulnerabilities
Details

It was discovered that Bubblewrap incorrectly handled certain temporary directories. A local attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-12439)

It was discovered that Bubblewrap incorrectly handled certain symlinks during sandbox setup. A local attacker could possibly use this issue to create files outside of the sandbox. (CVE-2026-87766)

References

Affected packages

Ubuntu:Pro:18.04:LTS / bubblewrap

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.2.1-1ubuntu0.1+esm2

Affected versions

0.*
0.2.0-1
0.2.0-2
0.2.0-4
0.2.1-1
0.2.1-1ubuntu0.1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "bubblewrap",
            "binary_version": "0.2.1-1ubuntu0.1+esm2"
        }
    ]
}

Database specific

cves_map
{
    "cves": [
        {
            "id": "CVE-2019-12439",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json"

Ubuntu:Pro:20.04:LTS / bubblewrap

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.4.0-1ubuntu4.1+esm2

Affected versions

0.*
0.3.3-2
0.4.0-1
0.4.0-1ubuntu1
0.4.0-1ubuntu2
0.4.0-1ubuntu3
0.4.0-1ubuntu4
0.4.0-1ubuntu4.1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "bubblewrap",
            "binary_version": "0.4.0-1ubuntu4.1+esm2"
        }
    ]
}

Database specific

cves_map
{
    "cves": [],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json"

Ubuntu:22.04:LTS / bubblewrap

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.6.1-1ubuntu0.2

Affected versions

0.*
0.4.1-3build1
0.5.0-1
0.6.0-1
0.6.1-1
0.6.1-1ubuntu0.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "bubblewrap",
            "binary_version": "0.6.1-1ubuntu0.2"
        }
    ]
}

Database specific

cves_map
{
    "cves": [],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json"

Ubuntu:24.04:LTS / bubblewrap

Package

Name
bubblewrap
Purl
pkg:deb/ubuntu/bubblewrap?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.0-1ubuntu0.2

Affected versions

0.*
0.8.0-2
0.9.0-1build1
0.9.0-1ubuntu0.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "bubblewrap",
            "binary_version": "0.9.0-1ubuntu0.2"
        }
    ]
}

Database specific

cves_map
{
    "cves": [],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json"

Ubuntu:26.04:LTS / bubblewrap

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.11.1-1ubuntu0.2

Affected versions

0.*
0.11.0-2
0.11.0-2build1
0.11.1-1
0.11.1-1ubuntu0.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "bubblewrap",
            "binary_version": "0.11.1-1ubuntu0.2"
        }
    ]
}

Database specific

cves_map
{
    "cves": [],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json"