NULL Pointer Dereference Affecting samba-krb5-printing-debuginfo package, versions <2:4.17.12-1.amzn2023.0.4


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.64% (84th percentile)

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  • Snyk IDSNYK-AMZN2023-SAMBAKRB5PRINTINGDEBUGINFO-17418406
  • published23 Jun 2026
  • disclosed8 Jun 2026

Introduced: 8 Jun 2026

NewCVE-2026-3238  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 samba-krb5-printing-debuginfo to version 2:4.17.12-1.amzn2023.0.4 or higher.
This issue was patched in ALAS2023-2026-1895.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-krb5-printing-debuginfo package and not the samba-krb5-printing-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

A flaw was found in Samba’s WINS server component when running as an Active Directory Domain Controller. The WINS protocol handlers for certain request types did not properly validate incoming packets, allowing an unauthenticated remote attacker to trigger a NULL pointer dereference and crash the WINS service using specially crafted UDP packets.

CVSS Base Scores

version 3.1