STIGQter: STIG Summary: Red Hat Enterprise Linux 9 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

RHEL 9 must not have the sendmail package installed.

DISA Rule

SV-257827r1044892_rule

Vulnerability Number

V-257827

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

RHEL-09-215020

Severity

CAT II

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission essential capabilities.

Weight

10

Fix Recommendation

Remove the sendmail package with the following command:

$ sudo dnf remove sendmail

Check Contents

Verify that the sendmail package is not installed with the following command:

$ dnf list --installed sendmail

Error: No matching Packages to list

If the "sendmail" package is installed, this is a finding.

Vulnerability Number

V-257827

Documentable

False

Rule Version

RHEL-09-215020

Severity Override Guidance

Verify that the sendmail package is not installed with the following command:

$ dnf list --installed sendmail

Error: No matching Packages to list

If the "sendmail" package is installed, this is a finding.

Check Content Reference

M

Target Key

5551