USN-8972-2: HAProxy regression

USN-8972-1 fixed vulnerabilities in HAProxy. On Ubuntu 22.04 LTS, the update caused a regression when processing certain chunked requests. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that HAProxy incorrectly handled truncated HTTP/2 PING frames. A remote attacker could possibly use this issue to cause HAProxy to consume excessive CPU resources, leadi…

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