CVE-2020-14303

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-14303

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-14303.html

OS impact

OSVersionStatusFixed in
arch archfixed4.12.6-1
suse slesaffected
debian debianbookwormfixed2:4.12.5+dfsg-1
debian debianbullseyefixed2:4.12.5+dfsg-1
debian debianforkyfixed2:4.12.5+dfsg-1
debian debiansidfixed2:4.12.5+dfsg-1
debian debiantrixiefixed2:4.12.5+dfsg-1

References

Verify integrity in audit chain (admin only). AS-IS.