All vulnerabilities

Servers and applications

CVE-2022-3437

A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI library allow a length-limited write buffer overflow on malloc() allocated memory when presented with a maliciously small packet. This flaw allows a remote user to send specially crafted malicious data…

Severity
Medium 6.5
Published
12 Jan 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.15.11, 4.16.6, 4.17.2
Sources
NVD

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • From 4.0.0 before 4.15.11
  • From 4.16.0 before 4.16.6
  • From 4.17.0 before 4.17.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-3437
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-3437