USN-8766-1

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Source
https://ubuntu.com/security/notices/USN-8766-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8766-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8766-1
Upstream
Related
Published
2026-09-15T15:14:27Z
Modified
2026-09-16T02:57:26Z
Summary
suricata-update vulnerability
Details

Guillem Lefait discovered that Suricata-Update did not properly validate destination paths when extracting files referenced by downloaded rule archives. An attacker could possibly use this issue to write arbitrary files outside the configured rules directory.

References

Affected packages

Ubuntu:Pro:22.04:LTS / suricata-update

Package

Name
suricata-update
Purl
pkg:deb/ubuntu/suricata-update?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.2.3-1ubuntu0.1~esm1

Affected versions

1.*
1.2.1-1
1.2.2-1
1.2.3-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "suricata-update",
            "binary_version": "1.2.3-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-63347",
            "severity": [
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8766-1.json"

Ubuntu:Pro:24.04:LTS / suricata-update

Package

Name
suricata-update
Purl
pkg:deb/ubuntu/suricata-update?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.3.0-2ubuntu0.1~esm1

Affected versions

1.*
1.3.0-1
1.3.0-2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "suricata-update",
            "binary_version": "1.3.0-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-63347",
            "severity": [
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8766-1.json"

Ubuntu:Pro:26.04:LTS / suricata-update

Package

Name
suricata-update
Purl
pkg:deb/ubuntu/suricata-update?arch=source&distro=esm-apps%2Fresolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.3.7-2ubuntu0.1~esm1

Affected versions

1.*
1.3.4-1
1.3.6-1
1.3.7-1
1.3.7-2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "suricata-update",
            "binary_version": "1.3.7-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-63347",
            "severity": [
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8766-1.json"