UBUNTU-CVE-2026-34500

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Source
https://ubuntu.com/security/CVE-2026-34500
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34500.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-34500
Upstream
Published
2026-04-09T20:16:00Z
Modified
2026-07-09T21:30:45.485835358Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.

References

Affected packages

Ubuntu:25.10
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/ubuntu/tomcat10?arch=source&distro=questing

Affected ranges

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

Affected versions

10.*
10.1.35-1
10.1.40-1
10.1.40-1ubuntu1
10.1.40-1ubuntu1.25.10.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat10-embed-java",
            "binary_version": "10.1.40-1ubuntu1.25.10.1"
        },
        {
            "binary_name": "libtomcat10-java",
            "binary_version": "10.1.40-1ubuntu1.25.10.1"
        },
        {
            "binary_name": "tomcat10",
            "binary_version": "10.1.40-1ubuntu1.25.10.1"
        },
        {
            "binary_name": "tomcat10-admin",
            "binary_version": "10.1.40-1ubuntu1.25.10.1"
        },
        {
            "binary_name": "tomcat10-common",
            "binary_version": "10.1.40-1ubuntu1.25.10.1"
        },
        {
            "binary_name": "tomcat10-docs",
            "binary_version": "10.1.40-1ubuntu1.25.10.1"
        },
        {
            "binary_name": "tomcat10-examples",
            "binary_version": "10.1.40-1ubuntu1.25.10.1"
        },
        {
            "binary_name": "tomcat10-user",
            "binary_version": "10.1.40-1ubuntu1.25.10.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34500.json"
tomcat11

Package

Name
tomcat11
Purl
pkg:deb/ubuntu/tomcat11?arch=source&distro=questing

Affected ranges

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

Affected versions

11.*
11.0.6-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat11-embed-java",
            "binary_version": "11.0.6-1"
        },
        {
            "binary_name": "libtomcat11-java",
            "binary_version": "11.0.6-1"
        },
        {
            "binary_name": "tomcat11",
            "binary_version": "11.0.6-1"
        },
        {
            "binary_name": "tomcat11-admin",
            "binary_version": "11.0.6-1"
        },
        {
            "binary_name": "tomcat11-common",
            "binary_version": "11.0.6-1"
        },
        {
            "binary_name": "tomcat11-docs",
            "binary_version": "11.0.6-1"
        },
        {
            "binary_name": "tomcat11-examples",
            "binary_version": "11.0.6-1"
        },
        {
            "binary_name": "tomcat11-user",
            "binary_version": "11.0.6-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34500.json"
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/ubuntu/tomcat9?arch=source&distro=questing

Affected ranges

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

Affected versions

9.*
9.0.70-2ubuntu1.1
9.0.70-2ubuntu2
9.0.70-2ubuntu3
9.0.95-1ubuntu1
9.0.95-1ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.95-1ubuntu1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34500.json"
Ubuntu:26.04:LTS
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/ubuntu/tomcat10?arch=source&distro=resolute

Affected ranges

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

Affected versions

10.*
10.1.40-1ubuntu1
10.1.40-1ubuntu1.26.04.1
10.1.55-1ubuntu2~26.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat10-embed-java",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "libtomcat10-java",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-admin",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-common",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-docs",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-examples",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-user",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34500.json"
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/ubuntu/tomcat9?arch=source&distro=resolute

Affected ranges

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

Affected versions

9.*
9.0.95-1ubuntu1
9.0.111-1
9.0.115-1
9.0.115-1ubuntu0.1
9.0.118-1~26.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.118-1~26.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34500.json"
tomcat11

Package

Name
tomcat11
Purl
pkg:deb/ubuntu/tomcat11?arch=source&distro=resolute

Affected ranges

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

Affected versions

11.*
11.0.6-1
11.0.11-1
11.0.15-1
11.0.18-1
11.0.18-1ubuntu0.1~esm1
11.0.22-2ubuntu2~26.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat11-embed-java",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "libtomcat11-java",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-admin",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-common",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-docs",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-examples",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-user",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34500.json"