HIGH 7.5 Microsoft
CVE-2025-11230
Denial of service vulnerability in HAProxy mjson library
Microsoft Security Update 2025-Nov: Denial of service vulnerability in HAProxy mjson library
Affected Products
- cbl2 haproxy 2.4.24-1 on CBL Mariner 2.0
- azl3 haproxy 2.9.11-3 on Azure Linux 3.0
- cbl2 haproxy 2.4.24-2 on CBL Mariner 2.0
- azl3 haproxy 2.9.11-4 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-11230
- https://nvd.nist.gov/vuln/detail/CVE-2025-11230
This high severity vulnerability with a CVSS score of 7.5 was published on 2025-11-11 via Microsoft. Affected: cbl2 haproxy 2.4.24-1 on CBL Mariner 2.0, azl3 haproxy 2.9.11-3 on Azure Linux 3.0, cbl2 haproxy 2.4.24-2 on CBL Mariner 2.0 and 1 more.
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