CVEvulnerability

CVE-2018-10657

7.5 HIGH Published 2018-05-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-05-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-20

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.

Affected configurations

• matrix synapse (< 0.28.1)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References