CVE-2026-62642

Published Jul 14, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-4693-1 roundcube security update
Debian DSA Debian DSA DSA-6391-1 roundcube security update
History
Type Values Removed Values Added
Title Infinite Loop in Roundcube TNEF Decoder Causes Denial of Service
Type Values Removed Values Added
Title Infinite Loop in Roundcube TNEF Decoder Causes Denial of Service
Type Values Removed Values Added
Title Infinite Loop in TNEF Decoder Causes Denial of Service
Type Values Removed Values Added
Title Infinite Loop in TNEF Decoder Causes Denial of Service
Type Values Removed Values Added
Title Infinite Loop in TNEF Decoder Causing Denial of Service in Roundcube Webmail
Type Values Removed Values Added
Title Infinite Loop in TNEF Decoder Causing Denial of Service in Roundcube Webmail
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 14, 2026, 5:18 PM
Reserved
Jul 14, 2026, 3:49 PM
Status
Analyzed
Published
Jul 14, 2026, 4:17 PM
Modified
Oct 24, 2026, 9:10 PM