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CVE-2025-11230

7.5 high SSVC exploitation: none Analyzed
NVD · CVE.org

Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · haproxyNVD modified 2026-10-18 20:10

Affected (CPE criteria) 190

  • cpe:2.3:a:haproxy:aloha_appliance:*:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-253.271:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-254.271:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-259.342:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-263.343:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-264.356:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.356:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.373:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.459:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.464:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.477:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.499:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.553:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.560:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.564:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-268.596:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-269.596:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-269.599:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-270.616:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-271.673:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-271.677:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-272.683:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-272.686:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-272.728:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-274.752:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-276.752:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-277.814:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-277.831:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-278.838:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-279.852:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-279.859:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-279.877:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-279.911:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-279.940:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-279.952:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-279.953:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-279.956:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-280.956:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-282.998:*:*:*:*:*:*
  • and 150 more

References 1