CVE-2020-26890
2 advisories.
PyPI/matrix-synapse CVE-2020-26890: high 7.5, EPSS 3.00%
Denial of service attack due to invalid JSON
Action: Upgrade matrix-synapse to 1.20.0 or later.
pip install matrix-synapse==1.20.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.20.0 | - |
Fixed versions
| 1.20.0 |
Sources
- osv: GHSA-4mp3-385r-v63f
- https://github.com/matrix-org/synapse/security/advisories/GHSA-4mp3-385r-v63f
- https://nvd.nist.gov/vuln/detail/CVE-2020-26890
- https://github.com/matrix-org/synapse
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2020-237.yaml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7YXMMYQP46PYL664JQUXCA3LPBJU7DQ
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U34DPP4ZLOEDUY2ZCWOHQPU5GA5LYNUQ
- https://pypi.org/project/matrix-synapse
CVE-2020-26890 · published · modified · JSON
PyPI/matrix-synapse CVE-2020-26890: unknown, EPSS 3.00%
Matrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member events, allowing remote attackers to execute a denial of service attac
Action: Upgrade matrix-synapse to 1.20.0 or later.
pip install matrix-synapse==1.20.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.20.0 | - |
Fixed versions
| 1.20.0 |
Sources
- osv: PYSEC-2020-237
- https://github.com/matrix-org/synapse/security/advisories/GHSA-4mp3-385r-v63f
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U34DPP4ZLOEDUY2ZCWOHQPU5GA5LYNUQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7YXMMYQP46PYL664JQUXCA3LPBJU7DQ/
CVE-2020-26890 · published · modified · JSON