CVE-2023-24604: Open-Xchange Ox App Suite

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

OX App Suite before backend 7.10.6-rev37 does not check HTTP header lengths when downloading, e.g., potentially allowing a crafted iCal feed to provide an unlimited amount of header data.

Affected products

• Open-Xchange Ox App Suite: before 7.10.6 (fixed in 7.10.6); version 7.10.6 only

Published 2023-05-29. Last modified 2026-06-17.