UBUNTU-CVE-2026-92709

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2026-92709
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92709.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-92709
Upstream
Published
2026-10-22T14:17:00Z
Modified
2026-10-28T20:17:25Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Rsyslog is a rocket-fast system for log processing. From versions 1.15.0 to 8.2610.0, rsyslog's omfile dynaFile facility intentionally allows templates to generate flexible output paths. This supports valid deployments that route logs into different directories or use dynamically generated file names. A deployment becomes unsafe when a dynaFile template uses a value influenced by untrusted input as a path component without explicit secure-path handling. In that configuration, the rendered path can escape the operator's intended log directory. This is not limited to the RFC5424 HOSTNAME field. Any untrusted value that reaches a dynaFile path component can create the condition. At time of publication, there are no publicly available patches.

References

Affected packages

Ubuntu:14.04:LTS
rsyslog

Package

Name
rsyslog
Purl
pkg:deb/ubuntu/rsyslog?arch=source&distro=trusty

Affected ranges

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

Affected versions

5.*
5.8.11-2ubuntu4
7.*
7.4.4-1ubuntu1
7.4.4-1ubuntu2
7.4.4-1ubuntu2.1
7.4.4-1ubuntu2.3
7.4.4-1ubuntu2.5
7.4.4-1ubuntu2.6
7.4.4-1ubuntu2.7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rsyslog",
            "binary_version": "7.4.4-1ubuntu2.7"
        },
        {
            "binary_name": "rsyslog-gnutls",
            "binary_version": "7.4.4-1ubuntu2.7"
        },
        {
            "binary_name": "rsyslog-gssapi",
            "binary_version": "7.4.4-1ubuntu2.7"
        },
        {
            "binary_name": "rsyslog-mysql",
            "binary_version": "7.4.4-1ubuntu2.7"
        },
        {
            "binary_name": "rsyslog-pgsql",
            "binary_version": "7.4.4-1ubuntu2.7"
        },
        {
            "binary_name": "rsyslog-relp",
            "binary_version": "7.4.4-1ubuntu2.7"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92709.json"
Ubuntu:22.04:LTS
rsyslog

Package

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

Affected ranges

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

Affected versions

8.*
8.2102.0-2ubuntu2
8.2110.0-3ubuntu1
8.2110.0-3ubuntu2
8.2110.0-4ubuntu1
8.2112.0-2ubuntu2
8.2112.0-2ubuntu2.2
8.2112.0-2ubuntu2.4
8.2112.0-2ubuntu2.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rsyslog",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-czmq",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-elasticsearch",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-gnutls",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-gssapi",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-hiredis",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-kafka",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-kubernetes",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-mongodb",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-mysql",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-openssl",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-pgsql",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-relp",
            "binary_version": "8.2112.0-2ubuntu2.5"
        },
        {
            "binary_name": "rsyslog-snmp",
            "binary_version": "8.2112.0-2ubuntu2.5"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92709.json"
Ubuntu:24.04:LTS
rsyslog

Package

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

Affected ranges

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

Affected versions

8.*
8.2306.0-2ubuntu2
8.2312.0-3ubuntu1
8.2312.0-3ubuntu2
8.2312.0-3ubuntu3
8.2312.0-3ubuntu7
8.2312.0-3ubuntu8
8.2312.0-3ubuntu9
8.2312.0-3ubuntu9.1
8.2312.0-3ubuntu9.2
8.2312.0-3ubuntu9.3
8.2312.0-3ubuntu9.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rsyslog",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-czmq",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-elasticsearch",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-gnutls",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-gssapi",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-hiredis",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-kafka",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-kubernetes",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-mongodb",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-mysql",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-openssl",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-pgsql",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-relp",
            "binary_version": "8.2312.0-3ubuntu9.4"
        },
        {
            "binary_name": "rsyslog-snmp",
            "binary_version": "8.2312.0-3ubuntu9.4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92709.json"
Ubuntu:26.04:LTS
rsyslog

Package

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

Affected ranges

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

Affected versions

8.*
8.2504.0-1ubuntu2
8.2512.0-1ubuntu2
8.2512.0-1ubuntu3
8.2512.0-1ubuntu4
8.2512.0-1ubuntu4.1
8.2512.0-1ubuntu4.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rsyslog",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-clickhouse",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-czmq",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-docker",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-elasticsearch",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-gnutls",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-gssapi",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-hiredis",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-kafka",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-kubernetes",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-mongodb",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-mysql",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-openssl",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-pgsql",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-relp",
            "binary_version": "8.2512.0-1ubuntu4.2"
        },
        {
            "binary_name": "rsyslog-snmp",
            "binary_version": "8.2512.0-1ubuntu4.2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92709.json"
Ubuntu:26.10
rsyslog

Package

Name
rsyslog
Purl
pkg:deb/ubuntu/rsyslog?arch=source&distro=stonking

Affected ranges

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

Affected versions

8.*
8.2512.0-1ubuntu4
8.2512.0-1ubuntu5
8.2608.0-4ubuntu1
8.2608.0-4ubuntu2
8.2608.0-4ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rsyslog",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-clickhouse",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-czmq",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-docker",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-elasticsearch",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-gnutls",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-gssapi",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-hiredis",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-http",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-kafka",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-kubernetes",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-mongodb",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-mysql",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-openssl",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-pgsql",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-relp",
            "binary_version": "8.2608.0-4ubuntu3"
        },
        {
            "binary_name": "rsyslog-snmp",
            "binary_version": "8.2608.0-4ubuntu3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92709.json"
Ubuntu:Pro:16.04:LTS
rsyslog

Package

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

Affected ranges

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

Affected versions

8.*
8.12.0-1ubuntu2
8.12.0-1ubuntu3
8.14.0-2ubuntu1
8.14.0-2ubuntu2
8.16.0-1ubuntu1
8.16.0-1ubuntu2
8.16.0-1ubuntu3
8.16.0-1ubuntu3.1
8.16.0-1ubuntu3.1+esm1
8.16.0-1ubuntu3.1+esm2
8.16.0-1ubuntu3.1+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rsyslog",
            "binary_version": "8.16.0-1ubuntu3.1+esm3"
        },
        {
            "binary_name": "rsyslog-elasticsearch",
            "binary_version": "8.16.0-1ubuntu3.1+esm3"
        },
        {
            "binary_name": "rsyslog-gnutls",
            "binary_version": "8.16.0-1ubuntu3.1+esm3"
        },
        {
            "binary_name": "rsyslog-gssapi",
            "binary_version": "8.16.0-1ubuntu3.1+esm3"
        },
        {
            "binary_name": "rsyslog-mysql",
            "binary_version": "8.16.0-1ubuntu3.1+esm3"
        },
        {
            "binary_name": "rsyslog-pgsql",
            "binary_version": "8.16.0-1ubuntu3.1+esm3"
        },
        {
            "binary_name": "rsyslog-relp",
            "binary_version": "8.16.0-1ubuntu3.1+esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92709.json"
Ubuntu:Pro:18.04:LTS
rsyslog

Package

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

Affected ranges

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

Affected versions

8.*
8.16.0-1ubuntu9
8.16.0-1ubuntu10
8.32.0-1ubuntu3
8.32.0-1ubuntu4
8.32.0-1ubuntu4.2
8.32.0-1ubuntu4.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rsyslog",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-czmq",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-elasticsearch",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-gnutls",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-gssapi",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-hiredis",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-kafka",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-mongodb",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-mysql",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-pgsql",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        },
        {
            "binary_name": "rsyslog-relp",
            "binary_version": "8.32.0-1ubuntu4.2+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92709.json"
Ubuntu:Pro:20.04:LTS
rsyslog

Package

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

Affected ranges

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

Affected versions

8.*
8.1901.0-1ubuntu4
8.2001.0-1ubuntu1
8.2001.0-1ubuntu1.1
8.2001.0-1ubuntu1.3
8.2001.0-1ubuntu1.3+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rsyslog",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-czmq",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-elasticsearch",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-gnutls",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-gssapi",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-hiredis",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-kafka",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-mongodb",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-mysql",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-openssl",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-pgsql",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        },
        {
            "binary_name": "rsyslog-relp",
            "binary_version": "8.2001.0-1ubuntu1.3+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92709.json"