Detections
Analytics

SCA: security update for postfix-mta-sts-resolver (GHSA-h92m-42h4-82f6)

high Tenable Cloud Security Plugin ID 422159

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare
 conditions, rendering downgrade of effective STS policy. (CVE-2019-16791)

See Also

https://github.com/advisories/GHSA-h92m-42h4-82f6

Plugin Details

Severity: High

ID: 422159

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 95.09

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2019-16791

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 5.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/5/2019

Vulnerability Publication Date: 7/5/2019

Reference Information

CVE: CVE-2019-16791

cwe: CWE-757