The sys_recvfrom function in nmbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed UDP packet.
Severity
Low 3.3
Published
23 Jun 2014
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
20% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026