DescriptionMatrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2^63 - 1 render rooms unusable, related to federation/federation_base.py and handlers/message.py, as exploited in the wild in April 2018.
Overall state of this security issue: Resolved
This issue is currently rated as having moderate severity.
|National Vulnerability Database|
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.
|SUSE Linux Enterprise Desktop 12 SP3||kernel-source||Released|
|SUSE Linux Enterprise Server 12 SP3||kernel-source||Released|