VULNERABILITY

FreeBSD: VID-E9B8E519-0D50-11F0-86D8-901B0E934D69 (CVE-2025-30355): py-matrix-synapse -- federation denial of service via malformed events

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FreeBSD: VID-E9B8E519-0D50-11F0-86D8-901B0E934D69 (CVE-2025-30355): py-matrix-synapse -- federation denial of service via malformed events

Severity
8
CVSS
(AV:N/AC:L/Au:S/C:N/I:P/A:C)
Published
03/26/2025
Created
04/17/2025
Added
04/15/2025
Modified
04/23/2025

Description

Synapse is an open source Matrix homeserver implementation. A malicious server can craft events which, when received, prevent Synapse version up to 1.127.0 from federating with other servers. The vulnerability has been exploited in the wild and has been fixed in Synapse v1.127.1. No known workarounds are available.

Solution(s)

  • freebsd-upgrade-package-py310-matrix-synapse
  • freebsd-upgrade-package-py311-matrix-synapse
  • freebsd-upgrade-package-py38-matrix-synapse
  • freebsd-upgrade-package-py39-matrix-synapse

References

  • CVE-2025-30355

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