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Microsoft Security Response CenterCVE-2025-52497

Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.

Mariner

Read the vendor bulletin Get alerts for azl3 qemu 10.1.0-1 on Azure Linux
4.8CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 qemu 10.1.0-1 on Azure Linux 3.0
Next step

What the vendor recommends

See the Microsoft Security Update Guide for the update that applies to your product.

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2025-52497View CVSS, KEV, EPSS, and threat context
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