CVE Vulnerabilities

CVE-2023-26434

Published: Jun 20, 2023 | Modified: Jan 12, 2024
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

When adding an external mail account, processing of POP3 capabilities responses are not limited to plausible sizes. Attacker with access to a rogue POP3 service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted POP3 server response to reasonable length/size. No publicly available exploits are known.

Affected Software

Name Vendor Start Version End Version
Open-xchange_appsuite_backend Open-xchange * 7.10.6 (excluding)
Open-xchange_appsuite_backend Open-xchange 7.10.6 (including) 7.10.6 (including)
Open-xchange_appsuite_backend Open-xchange 7.10.6-revision_39 (including) 7.10.6-revision_39 (including)

References