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
Published
2020-07-28T19:15:00Z
Modified
2025-10-24T04:48:38Z
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:16.04:LTS / claws-mail

Package

Name
claws-mail
Purl
pkg:deb/ubuntu/claws-mail@3.13.2-1ubuntu1?arch=source&distro=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:18.04:LTS / claws-mail

Package

Name
claws-mail
Purl
pkg:deb/ubuntu/claws-mail@3.16.0-1?arch=source&distro=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:20.04:LTS / claws-mail

Package

Name
claws-mail
Purl
pkg:deb/ubuntu/claws-mail@3.17.5-2?arch=source&distro=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"
        }
    ]
}