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homeserver.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-43796","reference_id":"","reference_type":"","scores":[{"value":"0.00265","scoring_system":"epss","scoring_elements":"0.50135","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-43796"},{"reference_url":"https://github.com/matrix-org/synapse","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/matrix-org/synapse"},{"reference_url":"https://github.com/matrix-org/synapse/commit/daec55e1fe120c564240c5386e77941372bf458f","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/matrix-org/synapse/commit/daec55e1fe120c564240c5386e77941372bf458f"},{"reference_url":"https://github.com/matrix-org/synapse/security/advisories/GHSA-mp92-3jfm-3575","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/matrix-org/synapse/security/advisories/GHSA-mp92-3jfm-3575"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2023-230.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2023-230.yaml"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2IDEEZMFJBDLTFHQUTZRJJNCOZGQ2ZVS","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2IDEEZMFJBDLTFHQUTZRJJNCOZGQ2ZVS"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VH3RNC5ZPQZ4OKPSL4E6BBJSZOQLGDEY","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VH3RNC5ZPQZ4OKPSL4E6BBJSZOQLGDEY"},{"reference_url":"https://security.gentoo.org/glsa/202401-12","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.gentoo.org/glsa/202401-12"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1055255","reference_id":"1055255","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1055255"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43796","reference_id":"CVE-2023-43796","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43796"},{"reference_url":"https://github.com/advisories/GHSA-mp92-3jfm-3575","reference_id":"GHSA-mp92-3jfm-3575","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-mp92-3jfm-3575"},{"reference_url":"https://usn.ubuntu.com/7444-1/","reference_id":"USN-7444-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/7444-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/359836?format=json","purl":"pkg:apk/alpine/synapse@1.95.1-r0?arch=x86_64&distroversion=v3.21&reponame=community","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:apk/alpine/synapse@1.95.1-r0%3Farch=x86_64&distroversion=v3.21&reponame=community"}],"aliases":["CVE-2023-43796","GHSA-mp92-3jfm-3575","PYSEC-2023-230"],"risk_score":2.4,"exploitability":"0.5","weighted_severity":"4.8","resource_url":"http://public2.vulnerablec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