CVE-2019-16791 - CVE House
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Status published Medium CVE-2019-16791

downgrade of effective Strict Transport Security (STS) policy in postfix-mta-sts-resolver

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

Affected Vendor

Affected Software

postfix-mta-sts-resolver
Vulnerable Versions:
< 0.5.1

Timeline

Official Publish: January 22nd, 2020
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N

Weaknesses (CWE)

CWE-757

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.