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Microsoft Security Response CenterCVE-2024-22653

yasm commit 9defefae was discovered to contain a NULL pointer dereference via the yasm_section_bcs_append function at section.c.

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.

Read the vendor bulletin Get alerts for azl3 yasm 1.3.0-17 on Azure Linux
4.8CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 yasm 1.3.0-17 on Azure Linux 3.0
  • cbl2 yasm 1.3.0-17 on CBL Mariner 2.0
  • cbl2 yasm 1.3.0-17 on CBL-Mariner 2.0

Versions the vendor lists as fixed

  • 1.3.0-17
Next step

What the vendor recommends

CBL-Mariner Releases

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. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2024-22653View CVSS, KEV, EPSS, and threat context
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