What is CVE-2023-0464?

CVE-2023-0464 is a security advisory published by Microsoft Security Response Center (MSRC). OpenSSL: CVE-2023-0464 Excessive Resource Usage Verifying X.509 Policy Constraints

Which CVE IDs does CVE-2023-0464 cover?

CVE-2023-0464 covers the following CVE IDs: CVE-2023-0464. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2023-0464?

CVE-2023-0464 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2023-0464?

CVE-2023-0464 affects 6 products, including: Azure Linux 3.0 ARM; Azure Linux 3.0 x64; CBL Mariner 1.0 ARM; CBL Mariner 1.0 x64; CBL Mariner 2.0 ARM; and others — see the full list on the advisory page.

CVE-2023-0464CVSS 7.5

OpenSSL: CVE-2023-0464 Excessive Resource Usage Verifying X.509 Policy Constraints

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2023-0464 →

🎯 Affected products6

Azure Linux 3.0 ARM
Azure Linux 3.0 x64
CBL Mariner 1.0 ARM
CBL Mariner 1.0 x64
CBL Mariner 2.0 ARM
CBL Mariner 2.0 x64

✅ Remediation

KBedk2 (CBL-Mariner) — fixed build 20230301gitf80f052277c8-34 KBhvloader (CBL-Mariner) — fixed build 1.0.1-3 KBnodejs18 (CBL-Mariner) — fixed build 18.17.1-2 KBopenssl (CBL-Mariner) — fixed build 1.1.1k-22 KBopenssl (CBL-Mariner) — fixed build 1.1.1k-15 KBedk2 (CBL-Mariner) — fixed build 20230301gitf80f052277c8-37

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-0464
referencehttps://nvd.nist.gov/vuln/detail/CVE-2023-0464