USN-3976-4
samba vulnerability
USN-3976-1 fixed a vulnerability in Samba. The update introduced a regression causing Samba to occasionally crash. This update fixes the problem.
Original advisory details:
Isaac Boukris and Andrew Bartlett discovered that Samba incorrectly checked S4U2Self packets. In certain environments, a remote attacker could possibly use this issue to escalate privileges.
What each source reports
OSV No score
samba vulnerability
USN-3976-1 fixed a vulnerability in Samba. The update introduced a regression causing Samba to occasionally crash. This update fixes the problem.
Original advisory details:
Isaac Boukris and Andrew Bartlett discovered that Samba incorrectly checked S4U2Self packets. In certain environments, a remote attacker could possibly use this issue to escalate privileges.
- Record
USN-3976-4- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
sambaUbuntu:Pro:14.04:LTS |
before 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm2, plus listed versions 2:3.6.18-1ubuntu32:4.0.10+dfsg-4ubuntu22:4.0.13+dfsg-1ubuntu12:4.1.3+dfsg-2ubuntu22:4.1.3+dfsg-2ubuntu3 Show 36 moreShow less2:4.1.3+dfsg-2ubuntu42:4.1.3+dfsg-2ubuntu52:4.1.6+dfsg-1ubuntu12:4.1.6+dfsg-1ubuntu22:4.1.6+dfsg-1ubuntu2.14.04.12:4.1.6+dfsg-1ubuntu2.14.04.22:4.1.6+dfsg-1ubuntu2.14.04.32:4.1.6+dfsg-1ubuntu2.14.04.42:4.1.6+dfsg-1ubuntu2.14.04.52:4.1.6+dfsg-1ubuntu2.14.04.72:4.1.6+dfsg-1ubuntu2.14.04.82:4.1.6+dfsg-1ubuntu2.14.04.92:4.1.6+dfsg-1ubuntu2.14.04.112:4.1.6+dfsg-1ubuntu2.14.04.122:4.1.6+dfsg-1ubuntu2.14.04.132:4.3.8+dfsg-0ubuntu0.14.04.22:4.3.9+dfsg-0ubuntu0.14.04.12:4.3.9+dfsg-0ubuntu0.14.04.32:4.3.11+dfsg-0ubuntu0.14.04.12:4.3.11+dfsg-0ubuntu0.14.04.22:4.3.11+dfsg-0ubuntu0.14.04.32:4.3.11+dfsg-0ubuntu0.14.04.42:4.3.11+dfsg-0ubuntu0.14.04.62:4.3.11+dfsg-0ubuntu0.14.04.72:4.3.11+dfsg-0ubuntu0.14.04.82:4.3.11+dfsg-0ubuntu0.14.04.92:4.3.11+dfsg-0ubuntu0.14.04.102:4.3.11+dfsg-0ubuntu0.14.04.112:4.3.11+dfsg-0ubuntu0.14.04.122:4.3.11+dfsg-0ubuntu0.14.04.132:4.3.11+dfsg-0ubuntu0.14.04.142:4.3.11+dfsg-0ubuntu0.14.04.162:4.3.11+dfsg-0ubuntu0.14.04.172:4.3.11+dfsg-0ubuntu0.14.04.192:4.3.11+dfsg-0ubuntu0.14.04.202:4.3.11+dfsg-0ubuntu0.14.04.20+esm1 |
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
USN-3976-4 is a vulnerability with no CVSS score yet in samba, published May 27, 2019. No source lists public exploit code. Fixed in samba 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm2.