High severity7.5NVD Advisory· Published May 2, 2018· Updated Jun 17, 2026
CVE-2018-10657
CVE-2018-10657
Description
Matrix 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
matrix-synapsePyPI | < 0.28.1 | 0.28.1 |
Affected products
1Patches
Vulnerability mechanics
References
6- github.com/matrix-org/synapse/commit/33f469ba19586bbafa0cf2c7d7c35463bdab87ebnvdPatchWEB
- github.com/advisories/GHSA-vmcc-4p4x-x7wgghsaADVISORY
- matrix.org/blog/2018/05/01/security-update-synapse-0-28-1/nvdVendor Advisory
- nvd.nist.gov/vuln/detail/CVE-2018-10657ghsaADVISORY
- docs.google.com/document/d/1I3fi2S-XnpO45qrpCsowZv8P8dHcNZ4fsBsbOW7KABI/editghsaWEB
- matrix.org/blog/2018/05/01/security-update-synapse-0-28-1ghsaWEB
News mentions
0No linked articles in our index yet.