Postgresql, versions 11.x before 11.5, is vulnerable to a memory disclosure in cross-type comparison for hashed subplan.
Exploitability
AV:NAC:HPR:HUI:NScope
S:UImpact
C:LI:NA:N2.2/CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:NInformation Disclosure
Memory Safety