CVE-2026-62642

Medium

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductRoundcube Webmail
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-835CWE-835

How to fix

Update
  • roundcube webmail1.6.17, 1.7.2 or later

Affected products

ProductAffected versionsFixed in
roundcube webmail1.6.0 ≤ v < 1.6.17, 1.7.0 ≤ v < 1.7.21.6.17, 1.7.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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