CVE-2020-14303
High
CVE-2020-14303
A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to cause the samba server to crash.
Exploit probability
3.5%
Published
July 6, 2020
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
27 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2020-14303
View original source
A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to cause the samba server to crash.
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1851298%3B
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
- https://security.gentoo.org/glsa/202007-15
- https://security.netapp.com/advisory/ntap-20200709-0003/
- https://usn.ubuntu.com/4454-1/
- https://usn.ubuntu.com/4454-2/
- https://www.samba.org/samba/security/CVE-2020-14303.html