MGASA-2021-0543

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-3671
Published: 08 Dec 2021, 20:04
Last modified:16 Apr 2026, 04:24

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Dec 2021, 20:04
Published
Vulnerability first disclosed
16 Apr 2026, 04:24
Last Modified
Vulnerability information updated

Description

Updated heimdal packages fix security vulnerability A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash a samba server using heimdal

Affected Systems

  • mageia•heimdal

    < 7.7.0-5.1.mga8

References (3)