| Package | Affected versions | Patched versions |
|---|---|---|
| open-xchange appsuite backend | = 7.10.6≥ 8.0.0, < 8.11.0< 7.10.6 | 8.11.07.10.6 |
When adding an external mail account, processing of IMAP "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue IMAP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted IMAP server response to reasonable length/size. No publicly available exploits are known.
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