CVE-2019-15237

HIGH

Roundcube Webmail <= 1.3.9 - Homograph Attack via Punycode Domain Handling

Title source: llm
STIX 2.1

Description

Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks.

References (2)

Core 2
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/roundcube/roundcubemail/issues/6891

Scores

CVSS v3 7.4
EPSS 0.0093
EPSS Percentile 56.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

Details

Status published
Products (2)
fedoraproject/fedora 29
roundcube/webmail < 1.3.9
Published Aug 20, 2019
Tracked Since Feb 18, 2026