Medium severity6.5NVD Advisory· Published May 11, 2017· Updated Jun 17, 2026
CVE-2016-2126
CVE-2016-2126
Description
Samba version 4.0.0 up to 4.5.2 is vulnerable to privilege elevation due to incorrect handling of the PAC (Privilege Attribute Certificate) checksum. A remote, authenticated, attacker can cause the winbindd process to crash using a legitimate Kerberos ticket. A local service with access to the winbindd privileged pipe can cause winbindd to cache elevated access permissions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
36cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*range: >=4.0.0,<4.3.13
- (no CPE)range: 4.0.0 - 4.5.2
- osv-coords34 versionspkg:rpm/opensuse/samba&distro=openSUSE%20Tumbleweedpkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP1pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP2pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/samba&distro=SUSE%20Manager%202.1pkg:rpm/suse/samba&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/samba&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/samba-doc&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/samba-doc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/samba-doc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/samba-doc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/samba-doc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/samba-doc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/samba-doc&distro=SUSE%20Manager%202.1pkg:rpm/suse/samba-doc&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/samba-doc&distro=SUSE%20OpenStack%20Cloud%205
< 4.14.6+git.182.2205d5224e3-1.1+ 33 more
- (no CPE)range: < 4.14.6+git.182.2205d5224e3-1.1
- (no CPE)range: < 4.2.4-28.3.1
- (no CPE)range: < 4.4.2-31.1
- (no CPE)range: < 4.2.4-18.30.1
- (no CPE)range: < 4.2.4-28.3.1
- (no CPE)range: < 4.4.2-31.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-56.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 4.2.4-28.3.1
- (no CPE)range: < 4.4.2-31.1
- (no CPE)range: < 4.2.4-18.30.1
- (no CPE)range: < 4.4.2-31.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 4.2.4-18.30.1
- (no CPE)range: < 4.2.4-28.3.1
- (no CPE)range: < 4.4.2-31.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 4.2.4-28.3.1
- (no CPE)range: < 4.4.2-31.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-56.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
- (no CPE)range: < 3.6.3-84.1
Patches
Vulnerability mechanics
References
9- rhn.redhat.com/errata/RHSA-2017-0494.htmlnvdThird Party Advisory
- rhn.redhat.com/errata/RHSA-2017-0495.htmlnvdThird Party Advisory
- rhn.redhat.com/errata/RHSA-2017-0662.htmlnvdThird Party Advisory
- rhn.redhat.com/errata/RHSA-2017-0744.htmlnvdThird Party Advisory
- www.securityfocus.com/bid/94994nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1037495nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2017:1265nvdThird Party Advisory
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730nvdThird Party Advisory
- www.samba.org/samba/security/CVE-2016-2126.htmlnvdVendor Advisory
News mentions
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