CVE-2019-16791
MEDIUMCVSS 5.9/10EPSS 0.67%
Last modified
CVE-2019-16791 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Postfix-Mta-Sts-Resolver Project | Postfix-Mta-Sts-Resolver | < 0.5.1 |
References
- https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6bPatch, Third Party Advisory
- https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6Patch, Third Party Advisory
- https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6bPatch, Third Party Advisory
- https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16791?
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.
How severe is CVE-2019-16791?
CVE-2019-16791 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16791?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2019-16791?
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Scan your code nowSource: NVD / NIST