{
  "fix": "matrix-synapse 1.53.0-1ubuntu0.1~esm2",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-matrix-synapse-1.53.0-1ubuntu0.1-esm2",
  "summary": "matrix-synapse 1.53.0-1ubuntu0.1~esm2, released December 3, 2024, fixes 8 CVEs in matrix-synapse. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "package",
  "title": "matrix-synapse 1.53.0-1ubuntu0.1~esm2 for Ubuntu 22.04.1 LTS (jammy)",
  "released": "2024-12-03T09:15:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2024-53863, rated Critical",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01463,
  "maxCvss": 9.1,
  "appliesTo": [
    {
      "product": "matrix-synapse",
      "productUrl": "https://patchblox.com/security/product/linux/matrix-synapse",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.53.0-1ubuntu0.1~esm2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2024-53863",
      "url": "https://patchblox.com/security/cve/CVE-2024-53863",
      "title": "matrix-synapse: Synapse is an open-source Matrix homeserver",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00606,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-31208",
      "url": "https://patchblox.com/security/cve/CVE-2024-31208",
      "title": "matrix-synapse: Synapse is an open-source Matrix homeserver",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.01463,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-43796",
      "url": "https://patchblox.com/security/cve/CVE-2023-43796",
      "title": "matrix-synapse: Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remo...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.01196,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-39374",
      "url": "https://patchblox.com/security/cve/CVE-2022-39374",
      "title": "matrix-synapse: Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00941,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-42453",
      "url": "https://patchblox.com/security/cve/CVE-2023-42453",
      "title": "matrix-synapse: Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00777,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-39335",
      "url": "https://patchblox.com/security/cve/CVE-2022-39335",
      "title": "matrix-synapse: Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5,
      "epss": 0.00635,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32683",
      "url": "https://patchblox.com/security/cve/CVE-2023-32683",
      "title": "matrix-synapse: Synapse is a Matrix protocol homeserver written in Python with the Twisted framework",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.4,
      "epss": 0.00605,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-41335",
      "url": "https://patchblox.com/security/cve/CVE-2023-41335",
      "title": "matrix-synapse: Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation",
      "priority": "Routine",
      "severity": "low",
      "cvss": 3.7,
      "epss": 0.00387,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T08:00:37Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}