CVE-2023-5568
Samba: heap buffer overflow with freshness tokens in the heimdal kdc
MEDIUM
6.5
CVSS Score
Published: October 24, 2023 at 09:56 PM UTC
Updated: June 17, 2026 at 06:48 AM UTC
2 products affected across 2 vendorsSAMBAStorage
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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%
SSVC
No known exploit
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
VDB Entryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2023-5568Issue Trackingx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2245174Issue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.samba.org/show_bug.cgi?id=15491Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20231124-0007/SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-122CWE-787
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