CVE-2023-5568

Publication date 25 October 2023

Last updated 26 August 2025


Ubuntu priority

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

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.

Read the notes from the security team

Why is this CVE low priority?

per upstream, repeated testing has not even seen a crash, low severity

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
samba 23.10 mantic
Not affected
23.04 lunar
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


mdeslaur

appears to be 4.19 only

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

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


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