UBUNTU-CVE-2026-86247

Source
https://ubuntu.com/security/CVE-2026-86247
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86247.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-86247
Upstream
  • CVE-2026-86247
Published
2026-09-24T00:00:00Z
Modified
2026-09-25T06:37:04Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some configurations. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Unsupported versions may also be affected. Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fixes the issue.

References

Affected packages

Ubuntu:16.04:LTS
tomcat-native

Package

Name
tomcat-native
Purl
pkg:deb/ubuntu/tomcat-native?arch=source&distro=xenial

Affected ranges

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

Affected versions

1.*
1.1.33-1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "libtcnative-1",
            "binary_version":  "1.1.33-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86247.json"
Ubuntu:18.04:LTS
tomcat-native

Package

Name
tomcat-native
Purl
pkg:deb/ubuntu/tomcat-native?arch=source&distro=bionic

Affected ranges

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

Affected versions

1.*
1.2.14-1
1.2.16-1
1.2.16-1build1
1.2.21-1~18.04.1
1.2.21-1~18.04.1build1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "libtcnative-1",
            "binary_version":  "1.2.21-1~18.04.1build1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86247.json"
Ubuntu:20.04:LTS
tomcat-native

Package

Name
tomcat-native
Purl
pkg:deb/ubuntu/tomcat-native?arch=source&distro=focal

Affected ranges

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

Affected versions

1.*
1.2.23-1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "libtcnative-1",
            "binary_version":  "1.2.23-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86247.json"
Ubuntu:22.04:LTS
tomcat-native

Package

Name
tomcat-native
Purl
pkg:deb/ubuntu/tomcat-native?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*
1.2.26-1
1.2.31-1
1.2.31-1build1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "libtcnative-1",
            "binary_version":  "1.2.31-1build1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86247.json"
Ubuntu:24.04:LTS
tomcat-native

Package

Name
tomcat-native
Purl
pkg:deb/ubuntu/tomcat-native?arch=source&distro=noble

Affected ranges

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

Affected versions

1.*
1.2.35-1
1.2.35-1build1
1.2.35-1build2
2.*
2.0.14-1~24.04.1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "libtcnative-2",
            "binary_version":  "2.0.14-1~24.04.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86247.json"
Ubuntu:26.04:LTS
tomcat-native

Package

Name
tomcat-native
Purl
pkg:deb/ubuntu/tomcat-native?arch=source&distro=resolute

Affected ranges

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

Affected versions

1.*
1.3.1-1
1.3.1-1build1
2.*
2.0.14-1~26.04.1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "libtcnative-2",
            "binary_version":  "2.0.14-1~26.04.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86247.json"