HAProxy 1.5.x < 1.5.16 Off-by-one Vulnerability
High Nessus Network Monitor Plugin ID 9964
SynopsisThe remote host is running a version of HAProxy that is affected by an Off-by-one attack vector.
DescriptionThe installed version of HAProxy installed is version 1.5.x prior to 1.5.16, and is affected by an off-by-one flaw in the SSL component that is triggered during ALPN and NPN list allocation. No further details have been provided.
SolutionUpgrade to HAProxy version 1.5.16 or higher.