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      <title>CVE-2026-3336 — PKCS7_verify Certificate Chain Validation Bypass in AWS-LC</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-3336</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; AWS-LC, Red Hat Trusted Artifact Signer 1.3, Red Hat Confidential Compute Attestation, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4, Red Hat OpenShift Update Service, Red Hat Trusted Profile Analyzer&lt;/p&gt;
&lt;p&gt;Improper certificate validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer.&lt;/p&gt;
&lt;p&gt;Customers of AWS services do not need to take action. Applications using AWS-LC should upgrade to AWS-LC version 1.69.0.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; AWS-LC, Red Hat Trusted Artifact Signer 1.3, Red Hat Confidential Compute Attestation, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4, Red Hat OpenShift Update Service, Red Hat Trusted Profile Analyzer&lt;/p&gt;
&lt;p&gt;Improper certificate validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer.&lt;/p&gt;
&lt;p&gt;Customers of AWS services do not need to take action. Applications using AWS-LC should upgrade to AWS-LC version 1.69.0.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2026-3336</guid>
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    <item>
      <title>GHSA-vw5v-4f2q-w9xf — AWS-LC has PKCS7_verify Certificate Chain Validation Bypass</title>
      <link>https://cve.radiocsirt.org/vuln/ghsa-vw5v-4f2q-w9xf</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; crates.io: aws-lc-sys&lt;/p&gt;
&lt;p&gt;### Summary
AWS-LC is an open-source, general-purpose cryptographic library.&lt;/p&gt;
&lt;p&gt;### Impact
Improper certificate validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer.&lt;/p&gt;
&lt;p&gt;Customers of AWS services do not need to take action. aws-lc-sys contains code from AWS-LC. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.&lt;/p&gt;
&lt;p&gt;#### Impacted versions: 
aws-lc-sys versions: &amp;gt;= 0.24.0, &amp;lt; 0.38.0&lt;/p&gt;
&lt;p&gt;### Patches
The patch is included in v0.38.0&lt;/p&gt;
&lt;p&gt;### Workarounds
There is no workaround. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.&lt;/p&gt;
&lt;p&gt;### Resources
If there are any questions or comments about this advisory, contact [AWS/Amazon] Security via the [vulnerability reporting page](https://aws.amazon.com/security/vulnerability-reporting) or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.&lt;/p&gt;
&lt;p&gt;### Acknowledgement
AWS-LC would like to thank Joshua Rogers (https://joshua.hu/) for collaborating on this issue through the coordinated vulnerability disclosure process.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; crates.io: aws-lc-sys&lt;/p&gt;
&lt;p&gt;### Summary
AWS-LC is an open-source, general-purpose cryptographic library.&lt;/p&gt;
&lt;p&gt;### Impact
Improper certificate validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer.&lt;/p&gt;
&lt;p&gt;Customers of AWS services do not need to take action. aws-lc-sys contains code from AWS-LC. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.&lt;/p&gt;
&lt;p&gt;#### Impacted versions: 
aws-lc-sys versions: &amp;gt;= 0.24.0, &amp;lt; 0.38.0&lt;/p&gt;
&lt;p&gt;### Patches
The patch is included in v0.38.0&lt;/p&gt;
&lt;p&gt;### Workarounds
There is no workaround. Applications using aws-lc-sys should upgrade to the most recent release of aws-lc-sys.&lt;/p&gt;
&lt;p&gt;### Resources
If there are any questions or comments about this advisory, contact [AWS/Amazon] Security via the [vulnerability reporting page](https://aws.amazon.com/security/vulnerability-reporting) or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.&lt;/p&gt;
&lt;p&gt;### Acknowledgement
AWS-LC would like to thank Joshua Rogers (https://joshua.hu/) for collaborating on this issue through the coordinated vulnerability disclosure process.&lt;/p&gt;</content:encoded>
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