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    <title>Most recent entries from all</title>
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    <lastBuildDate>Mon, 28 Sep 2026 16:14:44 +0000</lastBuildDate>
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      <title>CVE-2026-90439 — NGINX ngx_http_v3_module vulnerability</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-90439</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; F5 NGINX Plus, F5 NGINX Open Source&lt;/p&gt;
&lt;p&gt;NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with OpenSSL versions &amp;lt;= OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner that is beyond the attacker&amp;#39;s control. This may cause a heap buffer overflow in the NGINX worker process leading to a restart and/or limited data corruption.&lt;/p&gt;
&lt;p&gt;Impact:
This vulnerability may allow remote attackers to cause a denial-of-service (DoS) on the NGINX system or limited data corruption. There is no control plane exposure; this is a data plane issue only.&lt;/p&gt;
&lt;p&gt;Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; F5 NGINX Plus, F5 NGINX Open Source&lt;/p&gt;
&lt;p&gt;NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with OpenSSL versions &amp;lt;= OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner that is beyond the attacker&amp;#39;s control. This may cause a heap buffer overflow in the NGINX worker process leading to a restart and/or limited data corruption.&lt;/p&gt;
&lt;p&gt;Impact:
This vulnerability may allow remote attackers to cause a denial-of-service (DoS) on the NGINX system or limited data corruption. There is no control plane exposure; this is a data plane issue only.&lt;/p&gt;
&lt;p&gt;Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.&lt;/p&gt;</content:encoded>
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