CVE-2025-11230

Denial of service vulnerability in HAProxy mjson library

Published Nov 19, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6017-1 haproxy security update
History
Type Values Removed Values Added
First Time appeared Haproxy aloha Appliance
Haproxy haproxy Enterprise
Haproxy kubernetes Ingress Controller
CPEs 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:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-282.999:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-284.999:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-285.1010:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-286.1064:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-286.1068:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-286.1089:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-286.1094:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-288.1094:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-288.1158:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-288.1167:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-288.1189:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-289.1189:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-290.1239:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-291.1246:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-292.1293:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-294.1346:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-294.1364:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-294.1376:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-294.1377:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-294.1442:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-281.466:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-282.561:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-283.562:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-283.565:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-283.616:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-283.632:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-283.633:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-283.636:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-284.636:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-285.726:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-285.727:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-287.727:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-288.770:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-288.773:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-288.848:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-288.849:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-289.1020:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-289.1028:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-289.1041:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-289.873:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-289.975:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-289.976:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-291.1046:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-292.1046:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-292.1055:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-292.1120:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-292.1147:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-292.1148:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-292.1156:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-292.1181:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-292.1187:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-293.1189:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-293.1190:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-294.1212:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-294.1285:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-295.1303:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-296.1392:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-296.1416:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1416:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1474:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1487:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1511:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1542:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1557:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1596:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1603:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1606:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-299.1618:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-300.1666:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1:1.0.0-301.1666:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-302.234:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-304.266:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-305.279:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-305.285:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-306.288:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-306.289:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-307.317:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-310.350:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-310.364:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-310.373:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-310.374:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-310.418:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-310.422:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-310.424:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-311.449:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-311.452:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-311.453:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-312.592:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-312.613:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-317.613:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-318.674:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-319.699:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-319.723:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.750:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.761:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.770:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.780:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.781:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.783:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.831:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.851:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.853:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-320.895:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-321.895:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-321.901:*:*:*:*:*:*
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cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-321.931:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-321.934:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-321.937:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-322.942:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-324.1030:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-324.1071:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-324.1072:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-324.947:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1:1.0.0-326.1073:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-337.363:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-337.390:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-337.394:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-339.395:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-339.405:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-339.415:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-339.455:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-339.466:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-339.471:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-341.475:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-342.482:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-344.495:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-344.503:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-344.561:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-344.564:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-344.591:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-344.608:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-344.641:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-344.655:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-344.672:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-345.673:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1:1.0.0-346.792:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-345.233:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-346.274:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-346.287:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-347.299:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-347.338:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-347.362:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-347.405:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-347.419:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-347.431:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-347.449:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1:1.0.0-348.519:*:*:*:*:*:*
cpe:2.3:a:haproxy:kubernetes_ingress_controller:*:*:*:*:community:*:*:*
cpe:2.3:a:haproxy:kubernetes_ingress_controller:*:*:*:*:enterprise:*:*:*
Vendors & Products Haproxy aloha Appliance
Haproxy haproxy Enterprise
Haproxy kubernetes Ingress Controller
Type Values Removed Values Added
First Time appeared Haproxy
Haproxy haproxy
Vendors & Products Haproxy
Haproxy haproxy
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A flaw was found in haproxy. A stemming from an inefficient algorithmic complexity issue within its bundled mjson parsing library. This vulnerability is triggered when haproxy is configured to analyze JSON content, such as with the json_query or jwt_payload_query function Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.
Title haproxy: denial of service vulnerability in HAProxy mjson library Denial of service vulnerability in HAProxy mjson library
References
Type Values Removed Values Added
Description A flaw was found in haproxy. A stemming from an inefficient algorithmic complexity issue within its bundled mjson parsing library. This vulnerability is triggered when haproxy is configured to analyze JSON content, such as with the json_query or jwt_payload_query function
Title haproxy: denial of service vulnerability in HAProxy mjson library
Weaknesses CWE-407
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Important

Weaknesses

Sources

Status
PUBLISHED
Assigner
canonical
Published
Updated
Nov 19, 2025, 5:09 PM
Reserved
Oct 1, 2025, 1:10 PM
Status
Analyzed
Published
Nov 19, 2025, 10:15 AM
Modified
Oct 18, 2026, 8:10 PM
Severity
Important
Public date
Oct 3, 2025, 12:00 AM