HAProxy Kubernetes Ingress Controller before 3.1.13, when the config-snippets feature flag is used, accepts config snippets from users with create/update permissions. This can result in obtaining an ingress token secret as a response. The fixed versions of HAProxy Enterprise Kubernetes Ingress Controller are 3.0.16-ee1, 1.11.13-ee1, and 1.9.15-ee1.
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 jsonquery or jwtpayloadquery function