PT-2026-58096 · Roundcube · Webmail

Published 2026-07-14 · Updated 2026-07-14 · CVE-2026-62642

NVD

CVSS v3.1

4.3

Medium

Base vector

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

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.

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

CVE-2026-62642

Affected Products

Webmail

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-62642 · Security Note
• https://github.com/roundcube/roundcubemail/commit/877269c79359d959a94f13c9070cab0f3389c193 · Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.17 · Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.7.2 · Note
• https://github.com/roundcube/roundcubemail/commit/a007321346380136b3de2bd75b486b04f63c0d38 · Note
• https://github.com/roundcube/roundcubemail/commit/132ac8dd5a55c8466be12de1daf84355697ffa89 · Note
• https://github.com/roundcube/roundcubemail/commit/fb952956c6eaf29e963f1a718d028d66e7957ce0 · Note
• https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2 · Note