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(-)b/security/vuxml/vuln.xml (+35 lines)
Lines 76-81 Notes: Link Here
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  * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
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  * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
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-->
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-->
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<vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
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<vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
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  <vuln vid="278561d7-b261-11eb-b788-901b0e934d69">
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    <topic>py-matrix-synapse -- malicious push rules may be used for a denial of service attack.</topic>
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    <affects>
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      <package>
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	<name>py36-matrix-synapse</name>
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	<name>py37-matrix-synapse</name>
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	<name>py38-matrix-synapse</name>
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	<name>py39-matrix-synapse</name>
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	<range><lt>1.33.2</lt></range>
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      </package>
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    </affects>
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    <description>
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      <body xmlns="http://www.w3.org/1999/xhtml">
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	<p>Matrix developers report:</p>
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	<blockquote cite="https://github.com/matrix-org/synapse/security/advisories/GHSA-x345-32rc-8h85">
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	  <p>"Push rules" can specify conditions under which they will match,
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	    including event_match, which matches event content against a
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	    pattern including wildcards.
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	    Certain patterns can cause very poor performance in the matching
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	    engine, leading to a denial-of-service when processing moderate
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	    length events.
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	  </p>
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	</blockquote>
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      </body>
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    </description>
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    <references>
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      <cvename>CVE-2021-29471</cvename>
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      <url>https://github.com/matrix-org/synapse/security/advisories/GHSA-x345-32rc-8h85</url>
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    </references>
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    <dates>
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      <discovery>2021-05-11</discovery>
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      <entry>2021-05-11</entry>
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    </dates>
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  </vuln>
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  <vuln vid="12156786-b18a-11eb-8cba-080027b00c2e">
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  <vuln vid="12156786-b18a-11eb-8cba-080027b00c2e">
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    <topic>cyrus-imapd -- Remote authenticated users could bypass intended access restrictions on certain server annotations.</topic>
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    <topic>cyrus-imapd -- Remote authenticated users could bypass intended access restrictions on certain server annotations.</topic>
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    <affects>
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    <affects>

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