NetSight
medium4.3

CVE-2023-26434

When adding an external mail account, processing of POP3 "capabilities" responses are not limited to plausible sizes.

Impact

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 products

VendorProductAffected versions
Open-XchangeOpen-Xchange Appsuite Backend
before 7.10.6
Version 7.10.6

Weakness classification

References