OPENSUSE-SU-2026:10898-1

Vulnerability from csaf_opensuse - Published: 2026-05-29 00:00 - Updated: 2026-05-29 00:00
Summary
matrix-synapse-1.153.0-2.1 on GA media
Severity
Moderate
Notes
Title of the patch: matrix-synapse-1.153.0-2.1 on GA media
Description of the patch: These are all security issues fixed in the matrix-synapse-1.153.0-2.1 package on the GA media of openSUSE Tumbleweed.
Patchnames: openSUSE-Tumbleweed-2026-10898
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.aarch64
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.ppc64le
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.s390x
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.x86_64
Vendor Fix
Threats
Impact moderate
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.aarch64
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.ppc64le
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.s390x
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.x86_64
Vendor Fix
Threats
Impact moderate

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    "distribution": {
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        "title": "Patchnames"
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-45076",
      "ids": [
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      ],
      "notes": [
        {
          "category": "general",
          "text": "Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, in federated rooms, malicious homeservers can craft room events in such a way that prevents Synapse from providing full history to paginating clients. Clients could therefore fail to display room history. This vulnerability is fixed in 1.152.1.",
          "title": "CVE description"
        }
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            "openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.s390x",
            "openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.x86_64"
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          "date": "2026-05-29T00:00:00Z",
          "details": "moderate"
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      ],
      "notes": [
        {
          "category": "general",
          "text": "Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, local authenticated users can cause Synapse to starve other requests of CPU and lead to other requests failing, causing other users to be denied service. This vulnerability is fixed in 1.152.1.",
          "title": "CVE description"
        }
      ],
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          "url": "https://bugzilla.suse.com/1266797"
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            "openSUSE Tumbleweed:matrix-synapse-1.153.0-2.1.s390x",
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      "threats": [
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          "category": "impact",
          "date": "2026-05-29T00:00:00Z",
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        }
      ],
      "title": "CVE-2026-45078"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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