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    <lastBuildDate>Tue, 06 Oct 2026 08:29:14 +0000</lastBuildDate>
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      <title>CVE-2026-12993 — Apicurio/apicurio-registry: apicurio-registry: xml entity-expansion denial of service via internal dtd subset</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-12993</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Red Hat build of Apicurio Registry 3.3.1&lt;/p&gt;
&lt;p&gt;A flaw was found in Apicurio Registry. The DocumentBuilderAccessor correctly blocks external DTD and schema access but does not disable DOCTYPE declarations or enable FEATURE_SECURE_PROCESSING. An attacker with artifact-write permission can upload XML documents with internal entity-expansion payloads (billion-laughs variant) that cause CPU and heap exhaustion, partially mitigated by the JAXP default 64,000 entity-expansion limit.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Red Hat build of Apicurio Registry 3.3.1&lt;/p&gt;
&lt;p&gt;A flaw was found in Apicurio Registry. The DocumentBuilderAccessor correctly blocks external DTD and schema access but does not disable DOCTYPE declarations or enable FEATURE_SECURE_PROCESSING. An attacker with artifact-write permission can upload XML documents with internal entity-expansion payloads (billion-laughs variant) that cause CPU and heap exhaustion, partially mitigated by the JAXP default 64,000 entity-expansion limit.&lt;/p&gt;</content:encoded>
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