All vulnerabilities

Servers and applications

CVE-2023-3961

A path traversal vulnerability was identified in Samba when processing client pipe names connecting to Unix domain sockets within a private directory. Samba typically uses this mechanism to connect SMB clients to remote procedure call (RPC) services like SAMR LSA or SPOOLSS, which Samba initiates on demand. However, due to inadequate sanitization of incoming client pipe names, allowing a client…

Severity
Critical 9.8
Published
3 Nov 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.17.12, 4.18.8, 4.19.1
Sources
NVD

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • Every version before 4.17.12
  • From 4.18.0 before 4.18.8
  • From 4.19.0 before 4.19.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-3961
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-3961