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      <title>CVE-2023-22792</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2023-22792</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; https://github.com/rails/rails&lt;/p&gt;
&lt;p&gt;A regular expression based DoS vulnerability in Action Dispatch &amp;lt;6.0.6.1,&amp;lt; 6.1.7.1, and &amp;lt;7.0.4.1. Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; https://github.com/rails/rails&lt;/p&gt;
&lt;p&gt;A regular expression based DoS vulnerability in Action Dispatch &amp;lt;6.0.6.1,&amp;lt; 6.1.7.1, and &amp;lt;7.0.4.1. Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.&lt;/p&gt;</content:encoded>
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      <title>GHSA-p84v-45xj-wwqj — ReDoS based DoS vulnerability in Action Dispatch</title>
      <link>https://cve.radiocsirt.org/vuln/ghsa-p84v-45xj-wwqj</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; RubyGems: actionpack&lt;/p&gt;
&lt;p&gt;There is a possible regular expression based DoS vulnerability in Action Dispatch. This vulnerability has been assigned the CVE identifier CVE-2023-22792.&lt;/p&gt;
&lt;p&gt;Versions Affected: &amp;gt;= 3.0.0 Not affected: &amp;lt; 3.0.0 Fixed Versions: 5.2.8.15 (Rails LTS), 6.1.7.1, 7.0.4.1
Impact&lt;/p&gt;
&lt;p&gt;Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.
Releases&lt;/p&gt;
&lt;p&gt;The FIXED releases are available at the normal locations.
Workarounds&lt;/p&gt;
&lt;p&gt;We recommend that all users upgrade to one of the FIXED versions. In the meantime, users can mitigate this vulnerability by using a load balancer or other device to filter out malicious X_FORWARDED_HOST headers before they reach the application.
Patches&lt;/p&gt;
&lt;p&gt;To aid users who aren’t able to upgrade immediately we have provided patches for the two supported release series. They are in git-am format and consist of a single changeset.&lt;/p&gt;
&lt;p&gt;6-1-Use-string-split-instead-of-regex-for-domain-parts.patch - Patch for 6.1 series
    7-0-Use-string-split-instead-of-regex-for-domain-parts.patch - Patch for 7.0 series&lt;/p&gt;
&lt;p&gt;Please note that only the 7.0.Z and 6.1.Z series are supported at present, and 6.0.Z for severe vulnerabilities. Users of earlier unsupported releases a…&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; RubyGems: actionpack&lt;/p&gt;
&lt;p&gt;There is a possible regular expression based DoS vulnerability in Action Dispatch. This vulnerability has been assigned the CVE identifier CVE-2023-22792.&lt;/p&gt;
&lt;p&gt;Versions Affected: &amp;gt;= 3.0.0 Not affected: &amp;lt; 3.0.0 Fixed Versions: 5.2.8.15 (Rails LTS), 6.1.7.1, 7.0.4.1
Impact&lt;/p&gt;
&lt;p&gt;Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.
Releases&lt;/p&gt;
&lt;p&gt;The FIXED releases are available at the normal locations.
Workarounds&lt;/p&gt;
&lt;p&gt;We recommend that all users upgrade to one of the FIXED versions. In the meantime, users can mitigate this vulnerability by using a load balancer or other device to filter out malicious X_FORWARDED_HOST headers before they reach the application.
Patches&lt;/p&gt;
&lt;p&gt;To aid users who aren’t able to upgrade immediately we have provided patches for the two supported release series. They are in git-am format and consist of a single changeset.&lt;/p&gt;
&lt;p&gt;6-1-Use-string-split-instead-of-regex-for-domain-parts.patch - Patch for 6.1 series
    7-0-Use-string-split-instead-of-regex-for-domain-parts.patch - Patch for 7.0 series&lt;/p&gt;
&lt;p&gt;Please note that only the 7.0.Z and 6.1.Z series are supported at present, and 6.0.Z for severe vulnerabilities. Users of earlier unsupported releases a…&lt;/p&gt;</content:encoded>
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