Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak stack contents to the configured DNS resolver.
2.35-0ubuntu3.132.39-0ubuntu8.72.42-0ubuntu3.12.17-93ubuntu42.18-0ubuntu12.18-0ubuntu22.18-0ubuntu42.18-0ubuntu52.18-0ubuntu62.18-0ubuntu72.19-0ubuntu22.19-0ubuntu32.19-0ubuntu4+19 more2.23-0ubuntu11.3+esm92.27-3ubuntu1.6+esm62.31-0ubuntu9.18+esm1Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:HI:NA:NCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N