A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:HI:LA:H7.3/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:HOther