CVE-2018-10657 is a low severity vulnerability with a CVSS score of 0.0. No known exploits currently, and patches are available. This is classified as a zero-day vulnerability.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2<sup>63</sup> - 1 render rooms unusable, related to federation/federation_base.py and handlers/message.py, as exploited in the wild in April 2018.
| Vendor | Product |
|---|---|
| Matrix | Synapse |