In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening an email with a TNEF attachment.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4693-1 roundcube security update
Debian DSA Debian DSA DSA-6391-1 roundcube security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 23 Jul 2026 02:45:00 +0000

Type Values Removed Values Added
Title Infinite Loop in TNEF Decoder Causes Denial of Service

Mon, 20 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
Title Infinite Loop in TNEF Decoder Causing Denial of Service in Roundcube Webmail

Thu, 16 Jul 2026 07:30:00 +0000

Type Values Removed Values Added
Title Infinite Loop in TNEF Decoder Causing Denial of Service in Roundcube Webmail

Tue, 14 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 14 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
Description In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening an email with a TNEF attachment.
First Time appeared Roundcube
Roundcube webmail
Weaknesses CWE-835
CPEs cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
Vendors & Products Roundcube
Roundcube webmail
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-07-14T17:18:18.192Z

Reserved: 2026-07-14T15:49:17.389Z

Link: CVE-2026-62642

cve-icon Vulnrichment

Updated: 2026-07-14T17:18:07.614Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-23T02:30:07Z

Weaknesses