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High · 8.7 CVE-2023-53873 EUVD-2025-203415GHSA-h7mp-qf49-hgph

SyncBreeze 15.2.24 Denial of Service via Login Endpoint Overflow

Published Dec 15, 2025 · Updated Apr 7, 2026 · Assigned by VulnCheck

Description

SyncBreeze 15.2.24 contains a denial of service vulnerability in the login authentication mechanism that allows attackers to crash the service. Attackers can send an oversized password parameter with repeated 'password=' values to overwhelm the login endpoint and potentially disrupt service availability.

Affected products

VendorProductAffectedFixed
Syncbreeze SyncBreeze 15.2.24 —

References