<?xml version='1.0' encoding='UTF-8'?>
<?xml-stylesheet href="/static/style.xsl" type="text/xsl"?>
<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0">
  <channel>
    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
    <description>Contains only the most 10 recent entries.</description>
    <docs>http://www.rssboard.org/rss-specification</docs>
    <generator>python-feedgen</generator>
    <language>en</language>
    <lastBuildDate>Tue, 06 Oct 2026 23:30:12 +0000</lastBuildDate>
    <item>
      <title>CVE-2019-16791 — downgrade of effective Strict Transport Security (STS) policy in postfix-mta-sts-resolver</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2019-16791</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Snawoot postfix-mta-sts-resolver&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Snawoot postfix-mta-sts-resolver&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2019-16791</guid>
    </item>
    <item>
      <title>GHSA-h92m-42h4-82f6 — postfix-mta-sts-resolver Algorithm Downgrade vulnerability</title>
      <link>https://cve.radiocsirt.org/vuln/ghsa-h92m-42h4-82f6</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: postfix-mta-sts-resolver&lt;/p&gt;
&lt;p&gt;## Incorrect query parsing&lt;/p&gt;
&lt;p&gt;### Impact
All users of versions prior to 0.5.1 can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.&lt;/p&gt;
&lt;p&gt;### Patches
Problem has been patched in version 0.5.1&lt;/p&gt;
&lt;p&gt;### Workarounds
Users may remediate this vulnerability without upgrading by applying [these patches](https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b) to older suppoorted versions.&lt;/p&gt;
&lt;p&gt;### For more information
If you have any questions or comments about this advisory:
* Open an issue in [postfix-mta-sts-resolver repo](https://github.com/Snawoot/postfix-mta-sts-resolver)
* Email me at [vladislav at vm-0 dot com](mailto:vladislav-ex-gh-advisory@vm-0.com)&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: postfix-mta-sts-resolver&lt;/p&gt;
&lt;p&gt;## Incorrect query parsing&lt;/p&gt;
&lt;p&gt;### Impact
All users of versions prior to 0.5.1 can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.&lt;/p&gt;
&lt;p&gt;### Patches
Problem has been patched in version 0.5.1&lt;/p&gt;
&lt;p&gt;### Workarounds
Users may remediate this vulnerability without upgrading by applying [these patches](https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b) to older suppoorted versions.&lt;/p&gt;
&lt;p&gt;### For more information
If you have any questions or comments about this advisory:
* Open an issue in [postfix-mta-sts-resolver repo](https://github.com/Snawoot/postfix-mta-sts-resolver)
* Email me at [vladislav at vm-0 dot com](mailto:vladislav-ex-gh-advisory@vm-0.com)&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/ghsa-h92m-42h4-82f6</guid>
    </item>
  </channel>
</rss>
