{"action":"Upgrade matrix-sydent to 1.0.3 or later.","affected":[{"fixed":"1.0.3","introduced":"0"}],"component":"matrix-sydent","cve_ids":["CVE-2019-11842"],"ecosystem":"PyPI","epss":0.01795,"exploited":false,"fixed_versions":["1.0.3"],"ghsa_id":"GHSA-gwf7-vfjf-wf6x","id":"tcs_01M5KFJDC3EW573GFJSBV3MVDJ","modified_at":"2026-07-13T16:42:32.863521797Z","published_at":"2022-05-24T16:45:24Z","references":["https://osv.dev/vulnerability/GHSA-gwf7-vfjf-wf6x","https://nvd.nist.gov/vuln/detail/CVE-2019-11842","https://github.com/advisories/GHSA-gwf7-vfjf-wf6x","https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2019-185.yaml","https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-gwf7-vfjf-wf6x","url":"https://osv.dev/vulnerability/GHSA-gwf7-vfjf-wf6x"}],"summary":"matrix-sydent and matrix-synapse Use Cryptographically Weak PRNG"}