78 matches found
EUVD-2021-31075
Malicious code in bioql PyPI...
Linux Distros Unpatched Vulnerability : CVE-2021-21393
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In...
Linux Distros Unpatched Vulnerability : CVE-2023-43796
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This...
Linux Distros Unpatched Vulnerability : CVE-2022-31152
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix specification specifies a list of event authorizatio...
Fedora 42 : matrix-synapse (2025-9e0e3043af)
The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-9e0e3043af advisory. Update to 1.135.2 ---- Update to 1.135.0 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus h...
CVE-2025-27811
A local privilege escalation in the razerelevationservice.exe in Razer Synapse 4 through 4.0.86.2502180127 allows a local attacker to escalate their privileges via a vulnerable COM interface in the target service...
CVE-2018-12423
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.powerlevels event in force...
CVE-2025-30355
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...
GHSA-V56R-HWV5-MXG6 Synapse vulnerable to federation denial of service via malformed events
Impact A malicious server can craft events with a depth outside the integer range allowed by Canonical JSON. When such an event is received by Synapse version up to 1.127.0, it prevents it from federating with other servers. The vulnerability has been exploited in the wild. Patches Fixed in Synap...
CVE-2025-30355
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...
DEBIAN-CVE-2025-30355
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...
UBUNTU-CVE-2025-30355
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...
CVE-2025-30355
CVE-2025-30355 affects the Synapse Matrix homeserver. A malicious server can craft events that cause Synapse up to v1.127.0 to fail federating with other servers. The root cause is an input validation issue in how events are processed (notably with a depth value outside the allowed range in Canon...
CVE-2025-30355
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...
CVE-2025-30355 Synapse vulnerable to federation denial of service via malformed events
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...
CVE-2025-30355
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...
CVE-2025-30355 Synapse vulnerable to federation denial of service via malformed events
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...
CVE-2025-30355 Synapse vulnerable to federation denial of service via malformed events
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...
PT-2025-13021
Name of the Vulnerable Software and Affected Versions Synapse versions prior to 1.127.1 Description The issue allows a malicious server to craft events that prevent Synapse from federating with other servers. The vulnerability has been exploited in the wild. Recommendations For versions prior to...
py-matrix-synapse -- federation denial of service via malformed events
element-hq/synapse developers report: 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...