CVE-2020-10745

Name	CVE-2020-10745
Description	A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-2463-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
samba (PTS)	buster, buster (security)	2:4.9.5+dfsg-5+deb10u3	vulnerable
	bullseye (security), bullseye	2:4.13.13+dfsg-1~deb11u5	fixed
	bookworm	2:4.17.5+dfsg-2	fixed
	sid	2:4.17.6+dfsg-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
samba	source	stretch	2:4.5.16+dfsg-1+deb9u3		DLA-2463-1
samba	source	(unstable)	2:4.12.5+dfsg-1

[buster] - samba <postponed> (Minor issue, fix along in next DSA)
https://www.samba.org/samba/security/CVE-2020-10745.html