CVE-2026-62642

MEDIUM

Roundcube Webmail - Loop with Unreachable Exit Condition ('Infinite Loop')

Title source: rule

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.

References (7)

Core 7

Core References

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

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

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

View Patch ZIP pw:eip

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

View Patch ZIP pw:eip

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

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

View Patch ZIP pw:eip

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

View Patch ZIP pw:eip

Scores

CVSS v3 4.3

EPSS 0.0028

EPSS Percentile 19.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-835

Status published

Products (3)

Roundcube/Webmail 1.6.0 - 1.6.17

roundcube/webmail 1.6.0 - 1.6.17

Roundcube/Webmail 1.7.0 - 1.7.2

Published Jul 14, 2026

Tracked Since Jul 14, 2026