CVE-2023-5568 MEDIUM

CVE-2023-5568: Samba: heap buffer overflow with freshness tokens in the heimdal kdc

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-122
Published October 24, 2023
Last update September 2, 2025
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 24, 2023 CVE published
September 2, 2025 Record updated