An issue was discovered in OpenSBI 1.3 allowing attackers to cause a denial of service via crafted request to the SBI function #2 or the 'Find and configure a matching counter' function of SBI PMU extension.

MediumVendor CVSS 7.5 / 10 1 CVE Published Aug 7, 2026 at 12:55 AM UTC

Summary

Mariner

Separate remediation guidance was not included in the collected bulletin.

Aug 7, 2026 at 12:55 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 3, 2026 at 11:40 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 28, 2026 at 3:45 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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