CVE-2021-21393
2 advisories.
PyPI/matrix-synapse CVE-2021-21393: medium 5.3, EPSS 1.60%
Denial of service (via resource exhaustion) due to improper input validation on groups/communities endpoints
Action: Upgrade matrix-synapse to 1.28.0 or later.
pip install matrix-synapse==1.28.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.28.0 | - |
Fixed versions
| 1.28.0 |
Sources
- osv: GHSA-jrh7-mhhx-6h88
- https://github.com/matrix-org/synapse/security/advisories/GHSA-jrh7-mhhx-6h88
- https://nvd.nist.gov/vuln/detail/CVE-2021-21393
- https://github.com/matrix-org/synapse/pull/9321
- https://github.com/matrix-org/synapse/pull/9393
- https://github.com/matrix-org/synapse/commit/3f58fc848d0002de4605bed91603a1f9f245d128
- https://github.com/matrix-org/synapse/commit/d2f0ec12d5c8f113095408888e87e191ac546499
- https://github.com/matrix-org/synapse
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2021-26.yaml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNNAJOZNMVMXM6AS7RFFKB4QLUJ4IFEY
- https://pypi.org/project/matrix-synapse
CVE-2021-21393 · published · modified · JSON
PyPI/matrix-synapse CVE-2021-21393: unknown, EPSS 1.60%
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 Synapse before version 1.28.0 Synapse
Action: Upgrade matrix-synapse to 1.28.0 or later.
pip install matrix-synapse==1.28.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.28.0 | - |
Fixed versions
| 1.28.0 |
Sources
- osv: PYSEC-2021-26
- https://github.com/matrix-org/synapse/pull/9321
- https://pypi.org/project/matrix-synapse/
- https://github.com/matrix-org/synapse/pull/9393
- https://github.com/matrix-org/synapse/security/advisories/GHSA-jrh7-mhhx-6h88
CVE-2021-21393 · published · modified · JSON