In Novell NetWare before 6.5 SP8, a stack buffer overflow in processing of CALLIT RPC calls in the NFS Portmapper daemon in PKERNEL.NLM allowed remote unauthenticated attackers to execute code, because a length field was incorrectly trusted.
https://www.zerodayinitiative.com/advisories/ZDI-09-067/
https://bugzilla.suse.com/show_bug.cgi?id=515804
https://download.novell.com/Download?buildid=1z3z-OsVCiE~
Source: Mitre, NVD
Published: 2018-11-21
Updated: 2018-12-20
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.15268