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Microsoft Security Response CenterCVE-2026-56391

Out‑of‑bounds Read in GNU coreutils

MediumVendor CVSS 6.1 / 10 1 CVE Published Aug 7, 2026 at 12:22 AM UTC
Get alerts for azl4 rabbitmq-server 4.0.9-9.azl4 on Azure Linux

Summary

Mariner

Products covered

  • azl4 rabbitmq-server 4.0.9-9.azl4 on Azure Linux 4.0

Remediation

Release Notes

Vendor-listed fixes

  • 0:9.7-14.azl4

CVEs in this advisory 1

CVE-2026-56391

Updates

  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.

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ipmi-oem in FreeIPMI before 1.16.17 has exploitable buffer overflows on response messages. The Intelligent Platform Management Interface (IPMI) specification defines a set of interfaces for platform management. It is implemented by a large number of hardware manufacturers to support system management. It is most commonly used for sensor reading (e.g., CPU temperatures through the ipmi-sensors command within FreeIPMI) and remote power control (the ipmipower command). The ipmi-oem client command implements a set of a IPMI OEM commands for specific hardware vendors. If a user has supported hardware, they may wish to use the ipmi-oem command to send a request to a server to retrieve specific information. Three subcommands were found to have exploitable buffer overflows on response messages. They are: "ipmi-oem dell get-last-post-code - get the last POST code and string describing the error on some Dell servers," "ipmi-oem supermicro extra-firmware-info - get extra firmware info on Supermic

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