High severity7.5NVD Advisory· Published Jul 6, 2020· Updated Jun 17, 2026
CVE-2020-14303
CVE-2020-14303
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
31- Samba/Sambadescription
<4.10.17, <4.11.11, <4.12.4+ 1 more
- (no CPE)range: <4.10.17, <4.11.11, <4.12.4
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*range: >=4.10.0,<4.10.17
- osv-coords19 versionspkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP2pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP1pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1pkg:rpm/suse/samba&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/ldb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2pkg:rpm/suse/ldb&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/ldb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/opensuse/samba&distro=openSUSE%20Tumbleweedpkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/ldb&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/opensuse/samba&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/ldb&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/samba&distro=openSUSE%20Leap%2015.2
< 4.11.11+git.180.2cf3b203f07-4.5.1+ 18 more
- (no CPE)range: < 4.11.11+git.180.2cf3b203f07-4.5.1
- (no CPE)range: < 4.9.5+git.343.4bc358522a9-3.38.1
- (no CPE)range: < 4.9.5+git.343.4bc358522a9-3.38.1
- (no CPE)range: < 4.9.5+git.343.4bc358522a9-3.38.1
- (no CPE)range: < 4.9.5+git.343.4bc358522a9-3.38.1
- (no CPE)range: < 2.0.12-3.3.1
- (no CPE)range: < 4.11.11+git.180.2cf3b203f07-4.5.1
- (no CPE)range: < 1.5.8-3.5.1
- (no CPE)range: < 1.5.8-3.5.1
- (no CPE)range: < 4.10.17+git.203.862547088ca-3.14.1
- (no CPE)range: < 4.11.11+git.180.2cf3b203f07-4.5.1
- (no CPE)range: < 4.10.17+git.203.862547088ca-3.14.1
- (no CPE)range: < 4.10.17+git.203.862547088ca-3.14.1
- (no CPE)range: < 4.14.6+git.182.2205d5224e3-1.1
- (no CPE)range: < 4.10.17+git.203.862547088ca-3.14.1
- (no CPE)range: < 1.5.8-3.5.1
- (no CPE)range: < 4.9.5+git.343.4bc358522a9-lp151.2.27.1
- (no CPE)range: < 2.0.12-lp152.2.3.1
- (no CPE)range: < 4.11.11+git.180.2cf3b203f07-lp152.3.3.1
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*+ 4 more
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Patches
Vulnerability mechanics
References
11- lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/11/msg00041.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/202007-15nvdThird Party Advisory
- security.netapp.com/advisory/ntap-20200709-0003/nvdThird Party Advisory
- usn.ubuntu.com/4454-1/nvdThird Party Advisory
- usn.ubuntu.com/4454-2/nvdThird Party Advisory
- www.samba.org/samba/security/CVE-2020-14303.htmlnvdVendor Advisory
- bugzilla.redhat.com/show_bug.cginvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/nvd
News mentions
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