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CVE-2019-16791

🗓️ 07 Jan 2026 09:15:39Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 3 Views

CVE-2019-16791 allows incorrect responses in postfix-mta-sts-resolver before 0.5.1, risking STS policy downgrade.

Related
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2019-16791
22 Jan 202001:40
cve
Cvelist
CVE-2019-16791 downgrade of effective Strict Transport Security (STS) policy in postfix-mta-sts-resolver
22 Jan 202001:40
cvelist
Debian CVE
CVE-2019-16791
22 Jan 202001:40
debiancve
EUVD
EUVD-2020-0149
7 Oct 202500:30
euvd
Github Security Blog
postfix-mta-sts-resolver Algorithm Downgrade vulnerability
5 Jul 201921:06
github
NVD
CVE-2019-16791
22 Jan 202002:15
nvd
OSV
GHSA-H92M-42H4-82F6 postfix-mta-sts-resolver Algorithm Downgrade vulnerability
5 Jul 201921:06
osv
OSV
PYSEC-2020-174
22 Jan 202002:15
osv
OSV
UBUNTU-CVE-2019-16791
22 Jan 202002:15
osv
Prion
Design/Logic Flaw
22 Jan 202002:15
prion
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07 Jan 2026 09:15Current
6.8Medium risk
Vulners AI Score6.8
CVSS 24.3
CVSS 3.15.9 - 6.9
EPSS0.003
3