CVE-2022-32746

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-25 · updated 2026-06-17
Weakness: CWE-416

Description

A flaw was found in the Samba AD LDAP server. The AD DC database audit logging module can access LDAP message values freed by a preceding database module, resulting in a use-after-free issue. This issue is only possible when modifying certain privileged attributes, such as userAccountControl.

Affected products

Samba: from 4.3.0 before 4.14.14; from 4.15.0 before 4.15.9; from 4.16.0 before 4.16.4 — fixed in 4.14.14, 4.15.9, 4.16.4

How to fix

Upgrade to a fixed version: Samba 4.14.14, 4.15.9, 4.16.4. Check the vendor advisory for mitigations.

References

https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2022-32746.html
https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2022-32746.html

Get alerted when CVE-2022-32746 or the next vulnerability affects your stack