Medium severity6.9NVD Advisory· Published Jan 22, 2020· Updated Jun 17, 2026
CVE-2019-16791
CVE-2019-16791
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
postfix-mta-sts-resolverPyPI | < 0.5.1 | 0.5.1 |
Affected products
3- cpe:2.3:a:postfix-mta-sts-resolver_project:postfix-mta-sts-resolver:*:*:*:*:*:*:*:*Range: <0.5.1
- Range: < 0.5.1
Patches
Vulnerability mechanics
References
5- gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6bnvdPatchThird Party AdvisoryWEB
- github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6nvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-h92m-42h4-82f6ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-16791ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/postfix-mta-sts-resolver/PYSEC-2020-174.yamlghsaWEB
News mentions
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