CVE-2019-16791

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

CVSS 6.9 MEDIUMEPSS 0.7%CWE-757

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.

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

Affected products

Snawoot · postfix-mta-sts-resolver

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References

https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6