STIGQter STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 must not have the sendmail package installed.

DISA Rule

SV-282634r1200882_rule

Vulnerability Number

V-282634

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

TOSS-05-000122

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Remove the "sendmail" package using the following command:

$ sudo dnf remove sendmail

Check Contents

Verify the "sendmail" package is not installed using the following command:

$ sudo dnf list --installed sendmail

Error: No matching Packages to list

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

Vulnerability Number

V-282634

Documentable

False

Rule Version

TOSS-05-000122

Severity Override Guidance

Verify the "sendmail" package is not installed using the following command:

$ sudo 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

5738