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CVE-2025-30355

🗓️ 27 Mar 2025 00:59:27Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 354 Views

Malicious events prevent Synapse versions up to 1.127.0 from federating, fixed in v1.127.1.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2025-30355
27 Mar 202500:59
–alpinelinux
circl
Circl
CVE-2025-30355
26 Mar 202523:54
–circl
cnnvd
CNNVD
Element Synapse 输入验证错误漏洞
27 Mar 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-30355 Synapse vulnerable to federation denial of service via malformed events
27 Mar 202500:59
–cvelist
debiancve
Debian CVE
CVE-2025-30355
27 Mar 202500:59
–debiancve
freebsd
FreeBSD
py-matrix-synapse -- federation denial of service via malformed events
26 Mar 202500:00
–freebsd
euvd
EUVD
EUVD-2025-8265
3 Oct 202520:07
–euvd
fedora
Fedora
[SECURITY] Fedora 42 Update: matrix-synapse-1.127.1-1.fc42
11 Apr 202518:32
–fedora
github
Github Security Blog
Synapse vulnerable to federation denial of service via malformed events
27 Mar 202518:02
–github
mend
Mend
CVE-2025-30355
27 Mar 202500:59
–mend
Rows per page
NVD
Vulners
Node
matrixsynapseRange<1.127.1
[
  {
    "vendor": "element-hq",
    "product": "synapse",
    "versions": [
      {
        "version": "< 1.127.1",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 09:08Current
7High risk
Vulners AI Score7
CVSS 3.17.1 - 7.5
EPSS0.01202
SSVC
354