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Microsoft Security Response CenterCVE-2026-6846

Binutils: binutils: arbitrary code execution via malformed xcoff object file processing

Mariner

Read the vendor bulletin Get alerts for azl3 gdb 13.2-7 on Azure Linux
7.8CVSS out of 10High severity
Scope

What the vendor says is affected

  • azl3 gdb 13.2-7 on Azure Linux 3.0
  • cbl2 gdb 11.2-10 on CBL-Mariner 2.0
  • cbl2 binutils 2.37-20 on CBL Mariner 2.0
  • azl3 binutils 2.41-11 on Azure Linux 3.0
  • cbl2 gdb 11.2-10 on CBL Mariner 2.0
  • cbl2 binutils 2.37-20
  • cbl2 binutils 2.37-20 on CBL-Mariner 2.0

Versions the vendor lists as fixed

  • 13.2-8
  • 2.41-12
Next step

What the vendor recommends

CBL-Mariner Releases Release Notes

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-2026-6846View CVSS, KEV, EPSS, and threat context
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