CVE-2026-62642

4.3 MEDIUM

Published: July 14, 2026 Modified: July 14, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/roundcube/roundcubemail/commit/132ac8dd5a55c8466be12de1daf84355697ffa89

Source: cve@mitre.org

https://github.com/roundcube/roundcubemail/commit/877269c79359d959a94f13c9070cab0f3389c193

Source: cve@mitre.org

https://github.com/roundcube/roundcubemail/commit/a007321346380136b3de2bd75b486b04f63c0d38

Source: cve@mitre.org

https://github.com/roundcube/roundcubemail/commit/fb952956c6eaf29e963f1a718d028d66e7957ce0

Source: cve@mitre.org

https://github.com/roundcube/roundcubemail/releases/tag/1.6.17

Source: cve@mitre.org

https://github.com/roundcube/roundcubemail/releases/tag/1.7.2

Source: cve@mitre.org

https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2

Source: cve@mitre.org

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

4.3 / 10.0

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-835

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