AZL-81686
See a problem?- Import Source
- https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-81686.json
- JSON Data
- https://api.osv.dev/v1/vulns/AZL-81686
- Upstream
- Published
- 2026-03-27T09:16:18Z
- Modified
- 2026-09-01T05:26:35Z
- Summary
- CVE-2025-59028 affecting package dovecot 2.3.20-1
- Details
-
When sending invalid base64 SASL data, login process is disconnected from the auth server, causing all active authentication sessions to fail. Invalid BASE64 data can be used to DoS a vulnerable server to break concurrent logins. Install fixed version or disable concurrency in login processes (heavy perfomance penalty on large deployments). No publicly available exploits are known.
- References