SY
Product
synapse
by element-hq · last CVE May 28, 2026
11
CVEs
0
On KEV
9.1
Max CVSS
0
New 30D
Severity mix
Critical 1High 3Medium 6Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2025-30355
7.5
1%
Mar 27
Synapse vulnerable to federation denial of service via malformed events
Affected: < 1.127.1
CVE-2024-37302
7.5
1%
Dec 3
Synapse denial of service through media disk space consumption
Affected: < 1.106
CVE-2024-52805
7.5
1%
Dec 3
Synapse allows unsupported content types to lead to memory exhaustion
Affected: < 1.120.1
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