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Multiple PKCS7_verify Vulnerabilities Discovered in AWS

Multiple PKCS7_verify Vulnerabilities Discovered in AWS

First seen 5 Mar 2026, 09:12 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 16:10 UTC

Two critical vulnerabilities, CVE-2026-3336 and CVE-2026-3338, affecting AWS have been published, both on March 2, 2026. CVE-2026-3336 allows a certificate chain validation bypass, while CVE-2026-3338 enables a signature validation bypass, potentially exposing users to significant security risks.

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Updated 209d ago How this analysis works

Timeline

2026-03-02
CVE-2026-3336 published
2026-03-02
CVE-2026-3338 published
2026-03-05
Information published about vulnerabilities

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