UBUNTU-CVE-2020-16094

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Source

https://ubuntu.com/security/CVE-2020-16094

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16094.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-16094

Upstream

CVE-2020-16094

Published

2020-07-28T19:15:00Z

Modified

2025-09-08T16:46:15Z

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 - low

Summary

[none]

Details

In imapscantree_recursive in Claws Mail through 3.17.6, a malicious IMAP server can trigger stack consumption because of unlimited recursion into subdirectories during a rebuild of the folder tree.

References

Affected packages

Ubuntu:Pro:16.04:LTS / claws-mail

Package

Name: claws-mail
Purl: pkg:deb/ubuntu/claws-mail@3.13.2-1ubuntu1?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.12.0-1ubuntu1

3.12.0-1ubuntu2

3.13.1-1.1ubuntu1

3.13.1-1.1ubuntu2

3.13.1-1.1ubuntu3

3.13.2-1ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "claws-mail",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-acpi-notifier",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-address-keeper",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-archiver-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-attach-remover",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-attach-warner",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-bogofilter",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-bsfilter-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-clamd-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-extra-plugins",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-fancy-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-feeds-reader",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-fetchinfo-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-gdata-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-i18n",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-libravatar",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-mailmbox-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-managesieve",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-multi-notifier",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-newmail-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-pdf-viewer",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-perl-filter",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-pgpinline",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-pgpmime",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-plugins",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-python-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-smime-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-spam-report",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-spamassassin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-tnef-parser",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-tools",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "claws-mail-vcalendar-plugin",
            "binary_version": "3.13.2-1ubuntu1"
        },
        {
            "binary_name": "libclaws-mail-dev",
            "binary_version": "3.13.2-1ubuntu1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / claws-mail

Package

Name: claws-mail
Purl: pkg:deb/ubuntu/claws-mail@3.16.0-1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.15.0-2build2

3.15.1-1

3.15.1-1ubuntu1

3.16.0-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "claws-mail",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-acpi-notifier",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-address-keeper",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-archiver-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-attach-remover",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-attach-warner",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-bogofilter",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-bsfilter-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-clamd-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-extra-plugins",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-feeds-reader",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-fetchinfo-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-gdata-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-i18n",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-libravatar",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-mailmbox-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-managesieve",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-multi-notifier",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-newmail-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-pdf-viewer",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-perl-filter",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-pgpinline",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-pgpmime",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-plugins",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-python-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-smime-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-spam-report",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-spamassassin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-tnef-parser",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-tools",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "claws-mail-vcalendar-plugin",
            "binary_version": "3.16.0-1"
        },
        {
            "binary_name": "libclaws-mail-dev",
            "binary_version": "3.16.0-1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / claws-mail

Package

Name: claws-mail
Purl: pkg:deb/ubuntu/claws-mail@3.17.5-2?arch=source&distro=esm-apps/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.17.4-1

3.17.4-1build1

3.17.4-2build2

3.17.4-2ubuntu1

3.17.5-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "claws-mail",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-acpi-notifier",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-address-keeper",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-archiver-plugin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-attach-remover",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-attach-warner",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-bogofilter",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-bsfilter-plugin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-clamd-plugin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-dillo-viewer",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-extra-plugins",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-feeds-reader",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-fetchinfo-plugin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-gdata-plugin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-i18n",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-libravatar",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-litehtml-viewer",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-mailmbox-plugin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-managesieve",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-multi-notifier",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-newmail-plugin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-pdf-viewer",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-perl-filter",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-pgpinline",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-pgpmime",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-plugins",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-smime-plugin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-spam-report",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-spamassassin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-tnef-parser",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-tools",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "claws-mail-vcalendar-plugin",
            "binary_version": "3.17.5-2"
        },
        {
            "binary_name": "libclaws-mail-dev",
            "binary_version": "3.17.5-2"
        }
    ]
}