UBUNTU-CVE-2026-110249

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Source

https://ubuntu.com/security/CVE-2026-110249

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110249.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-110249

Upstream

CVE-2026-110249

Published

2026-10-15T00:00:00Z

Modified

2026-10-17T12:59:51Z

Severity

Ubuntu - medium

Summary

[none]

Details

A malicious, compromised, or MITM-controlled Exchange server can return a single well-formed SOAP response containing an element with enough attributes to keep Thunderbird's main thread CPU-bound for seconds to hours. This vulnerability was fixed in Thunderbird 158 and Thunderbird 153.5.

References

Affected packages

Ubuntu:22.04:LTS / thunderbird

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1:91.*

1:91.1.2+build1-0ubuntu1

1:91.3.0+build2-0ubuntu1

1:91.3.1+build1-0ubuntu1

1:91.3.2+build1-0ubuntu1

1:91.4.0+build1.1-0ubuntu1

1:91.4.0+build2-0ubuntu1

1:91.5.0+build1-0ubuntu1

1:91.5.1+build1-0ubuntu1

1:91.6.1+build1-0ubuntu1

1:91.7.0+build1-0ubuntu1

1:91.7.0+build2-0ubuntu1

1:91.8.0+build2-0ubuntu1

1:91.9.1+build1-0ubuntu0.22.04.1

1:91.11.0+build2-0ubuntu0.22.04.1

1:102.*

1:102.2.2+build1-0ubuntu0.22.04.1

1:102.4.2+build2-0ubuntu0.22.04.1

1:102.7.1+build2-0ubuntu0.22.04.1

1:102.8.0+build2-0ubuntu0.22.04.1

1:102.9.0+build1-0ubuntu0.22.04.1

1:102.10.0+build2-0ubuntu0.22.04.1

1:102.11.0+build1-0ubuntu0.22.04.1

1:102.13.0+build1-0ubuntu0.22.04.1

1:102.15.0+build1-0ubuntu0.22.04.1

1:102.15.1+build1-0ubuntu0.22.04.1

1:115.*

1:115.3.1+build1-0ubuntu0.22.04.2

1:115.4.1+build1-0ubuntu0.22.04.1

1:115.5.0+build1-0ubuntu0.22.04.1

1:115.6.0+build2-0ubuntu0.22.04.1

1:115.8.1+build1-0ubuntu0.22.04.1

1:115.9.0+build1-0ubuntu0.22.04.1

1:115.10.1+build1-0ubuntu0.22.04.1

1:115.11.0+build2-0ubuntu0.22.04.1

1:115.12.0+build3-0ubuntu0.22.04.1

1:115.13.0+build5-0ubuntu0.22.04.1

1:115.15.0+build1-0ubuntu0.22.04.1

1:115.16.0+build2-0ubuntu0.22.04.1

1:115.18.0+build1-0ubuntu0.22.04.1

1:128.*

1:128.12.0+build1-0ubuntu0.22.04.1

1:140.*

1:140.7.1+build1-0ubuntu0.22.04.1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "thunderbird",
            "binary_version":  "1:140.7.1+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name":  "thunderbird-gnome-support",
            "binary_version":  "1:140.7.1+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name":  "thunderbird-mozsymbols",
            "binary_version":  "1:140.7.1+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name":  "xul-ext-calendar-timezones",
            "binary_version":  "1:140.7.1+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name":  "xul-ext-gdata-provider",
            "binary_version":  "1:140.7.1+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name":  "xul-ext-lightning",
            "binary_version":  "1:140.7.1+build1-0ubuntu0.22.04.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110249.json"

Ubuntu:24.04:LTS / thunderbird

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1:115.*

1:115.3.1+build1-0ubuntu1

1:115.4.1+build1-0ubuntu1

1:115.4.3+build1-0ubuntu1

1:115.5.0+build1-0ubuntu1

1:115.5.1+build1-0ubuntu1

1:115.5.2+build2-0ubuntu1

1:115.6.0+build1-0ubuntu1

1:115.6.0+build2-0ubuntu1

1:115.6.1+build1-0ubuntu1

1:115.8.0+build1-0ubuntu1

1:115.8.1+build1+snap2

1:115.8.1+build1+snap3

Other

2:1snap1-0ubuntu1

2:1snap1-0ubuntu3

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "thunderbird",
            "binary_version":  "2:1snap1-0ubuntu3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110249.json"

Ubuntu:26.10 / thunderbird

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

Other

2:1snap1-0ubuntu5

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "thunderbird",
            "binary_version":  "2:1snap1-0ubuntu5"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110249.json"

Ubuntu:26.04:LTS / thunderbird

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

Other

2:1snap1-0ubuntu3

2:1snap1-0ubuntu4

2:1snap1-0ubuntu5

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "thunderbird",
            "binary_version":  "2:1snap1-0ubuntu5"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110249.json"