CVE-2023-24603

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-29 · updated 2026-06-17

Description

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

Affected products

Open-Xchange GmbH OX App Suite: before 7.10.6; 7.10.6, 7.10.6-rev01, 7.10.6-rev02, 7.10.6-rev03, 7.10.6-rev04, 7.10.6-rev05 (+31) — fixed in 7.10.6

How to fix

Upgrade to a fixed version: Open-Xchange GmbH OX App Suite 7.10.6. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2023/May/3
https://open-xchange.com
http://seclists.org/fulldisclosure/2023/May/3
https://open-xchange.com

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