All vulnerabilities

Servers and applications

CVE-2016-2123

A flaw was found in samba versions 4.0.0 to 4.5.2. The Samba routine ndr_pull_dnsp_name contains an integer wrap problem, leading to an attacker-controlled memory overwrite. ndr_pull_dnsp_name parses data from the Samba Active Directory ldb database. Any user who can write to the dnsRecord attribute over LDAP can trigger this memory corruption. By default, all authenticated LDAP users can write…

Severity
High 8.8
Published
1 Nov 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.3.13, 4.4.8, 4.5.3
Exploit chance
6.2% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • From 4.0.0 up to 4.0.26
  • From 4.1.0 up to 4.1.23
  • From 4.2.0 up to 4.2.14
  • From 4.3.0 before 4.3.13
  • From 4.4.0 before 4.4.8
  • From 4.5.0 before 4.5.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-2123
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-2123