CVE-2023-5568
Samba: heap buffer overflow with freshness tokens in the heimdal kdc
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
A heap-based Buffer Overflow flaw was discovered in Samba. It could allow a remote, authenticated attacker to exploit this vulnerability to cause a denial of service.
| CWE | CWE-122 |
| Vendor | red hat |
| Product | red hat enterprise linux 6 |
| Published | Oct 24, 2023 |
| Last Updated | Sep 2, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Storage 3
All versions affected References
access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-5568 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2245174 bugzilla.samba.org: https://bugzilla.samba.org/show_bug.cgi?id=15491 samba.org: https://www.samba.org/samba/history/samba-4.19.2.html security.netapp.com: https://security.netapp.com/advisory/ntap-20231124-0007/