MEDIUM 5.5 Microsoft
CVE-2025-59529
simple protocol server ignores accepts unlimited connections and logs failures without limit
Microsoft Security Update 2026-Aug: simple protocol server ignores accepts unlimited connections and logs failures without limit
Affected Products
- cbl2 avahi 0.8-4 on CBL Mariner 2.0
- azl3 avahi 0.8-5 on Azure Linux 3.0
- azl3 avahi 0.8-6 on Azure Linux 3.0
- cbl2 avahi 0.8-5
- cbl2 avahi 0.8-5 on CBL Mariner 2.0
- azl3 avahi 0.8-7 on Azure Linux 3.0
- azl3 avahi 0.8-8 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59529
- https://nvd.nist.gov/vuln/detail/CVE-2025-59529
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-08-06 via Microsoft. Affected: cbl2 avahi 0.8-4 on CBL Mariner 2.0, azl3 avahi 0.8-5 on Azure Linux 3.0, azl3 avahi 0.8-6 on Azure Linux 3.0 and 4 more.
vulnfeed aggregates 8893 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.