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Vulnerability record · CVE-2018-1050 · published 13 March 2018

CVE-2018-1050: Canonical ubuntu linux null pointer dereference vulnerability

Canonical · Ubuntu Linux

All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.

4.3 CVSS 3.1 Medium EPSS 6.5% · top 6.5% CWE-476 · NULL pointer dereference
4.3CVSS 3.1 base score, v2 3.3
6.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
36References
17 Jun 2026Last modified by NVD

Description

All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/103387 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040493 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:1860 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1883 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2612 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2613 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3056 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1538771 Issue TrackingThird Party Advisory
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00024.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201805-07 Third Party Advisory
https://security.netapp.com/advisory/ntap-20180313-0001/ Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03834en_us Third Party Advisory
https://usn.ubuntu.com/3595-1/ Third Party Advisory
https://usn.ubuntu.com/3595-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4135 Third Party Advisory
https://www.samba.org/samba/security/CVE-2018-1050.html MitigationVendor Advisory
http://www.securityfocus.com/bid/103387 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040493 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:1860 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1883 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2612 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2613 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3056 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1538771 Issue TrackingThird Party Advisory
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00024.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201805-07 Third Party Advisory
https://security.netapp.com/advisory/ntap-20180313-0001/ Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03834en_us Third Party Advisory
https://usn.ubuntu.com/3595-1/ Third Party Advisory
https://usn.ubuntu.com/3595-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4135 Third Party Advisory
https://www.samba.org/samba/security/CVE-2018-1050.html MitigationVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-1050), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.