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      <title>CVE-2026-45771 — Freeswitch Denial-of-Service in SIP PUBLISH Requests via XML Entity Expansion</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-45771</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; signalwire freeswitch&lt;/p&gt;
&lt;p&gt;FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH&amp;#39;s bundled XML parser expands nested &amp;lt;!ENTITY&amp;gt; declarations without a depth or count bound, so a small DTD can describe a body that expands exponentially (&amp;#34;billion laughs&amp;#34;). The PIDF body of a SIP PUBLISH is fed to this parser before any digest check, letting an unauthenticated network attacker force unbounded CPU and memory consumption with a single request. This issue has been patched in version 1.11.0.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; signalwire freeswitch&lt;/p&gt;
&lt;p&gt;FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH&amp;#39;s bundled XML parser expands nested &amp;lt;!ENTITY&amp;gt; declarations without a depth or count bound, so a small DTD can describe a body that expands exponentially (&amp;#34;billion laughs&amp;#34;). The PIDF body of a SIP PUBLISH is fed to this parser before any digest check, letting an unauthenticated network attacker force unbounded CPU and memory consumption with a single request. This issue has been patched in version 1.11.0.&lt;/p&gt;</content:encoded>
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