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      <title>CVE-2026-41584 — ZEBRA: rk Identity Point Panic in Transaction Verification</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-41584</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ZcashFoundation zebra&lt;/p&gt;
&lt;p&gt;ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.1 and prior to zebra-chain version 6.0.2, Orchard transactions contain a rk field which is a randomized validating key and also an elliptic curve point. The Zcash specification allows the field to be the identity (a &amp;#34;zero&amp;#34; value), however, the orchard crate which is used to verify Orchard proofs would panic when fed a rk with the identity value. Thus an attacker could send a crafted transaction that would make a Zebra node crash. This issue has been patched in zebrad version 4.3.1 and zebra-chain version 6.0.2.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ZcashFoundation zebra&lt;/p&gt;
&lt;p&gt;ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.1 and prior to zebra-chain version 6.0.2, Orchard transactions contain a rk field which is a randomized validating key and also an elliptic curve point. The Zcash specification allows the field to be the identity (a &amp;#34;zero&amp;#34; value), however, the orchard crate which is used to verify Orchard proofs would panic when fed a rk with the identity value. Thus an attacker could send a crafted transaction that would make a Zebra node crash. This issue has been patched in zebrad version 4.3.1 and zebra-chain version 6.0.2.&lt;/p&gt;</content:encoded>
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