UBUNTU-CVE-2026-86243

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Source
https://ubuntu.com/security/CVE-2026-86243
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86243.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-86243
Upstream
  • CVE-2026-86243
Published
2026-09-24T00:00:00Z
Modified
2026-09-25T06:37:03Z
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 over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier, unsupported versions may also be affected. Users are recommended to upgrade to version 1.3.9 or 2.0.16, which fix 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-2026-86243.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-2026-86243.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-2026-86243.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-2026-86243.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-2026-86243.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-2026-86243.json"